Property:Cypsela architecture or shape

Types of cypsela architecture or shape

None.

Parts of cypsela architecture or shape

None.

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A
Acamptopappus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Acamptopappus shockleyi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Acamptopappus sphaerocephalus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Acamptopappus sphaerocephalus var. hirtellus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Acamptopappus sphaerocephalus var. sphaerocephalus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Acanthospermum +
beaked  +
Acanthospermum australe +
beaked  +
Acanthospermum hispidum +
beaked  +
Acanthospermum humile +
beaked  +
Achyrachaena +
beaked  +
Achyrachaena mollis +
beaked  +
Acmella +
ribbed  +
Acmella pusilla +
ribbed  +
Acmella repens +
ribbed  +
Acourtia +
ribbed  +, not beaked  +
Acourtia microcephala +
ribbed  +, not beaked  +
Acourtia nana +
ribbed  +, not beaked  +
Acourtia runcinata +
ribbed  +, not beaked  +
Acourtia thurberi +
ribbed  +, not beaked  +
Acourtia wrightii +
ribbed  +, not beaked  +
Acroptilon +
beaked  +
Acroptilon repens +
beaked  +
Adenocaulon +
ribbed  +, not beaked  +
Adenocaulon bicolor +
ribbed  +, not beaked  +
Adenophyllum +
beaked  +
Adenophyllum cooperi +
beaked  +
Adenophyllum porophylloides +
beaked  +
Adenophyllum wrightii +
beaked  +
Adenophyllum wrightii var. wrightii +
beaked  +
Ageratina +
5-ribbed  +
Ageratina adenophora +
5-ribbed  +
Ageratina altissima +
5-ribbed  +
Ageratina altissima var. altissima +
5-ribbed  +
Ageratina altissima var. roanensis +
5-ribbed  +
Ageratina aromatica +
5-ribbed  +
Ageratina havanensis +
5-ribbed  +
Ageratina herbacea +
5-ribbed  +
Ageratina jucunda +
5-ribbed  +
Ageratina lemmonii +
5-ribbed  +
Ageratina luciae-brauniae +
5-ribbed  +
Ageratina occidentalis +
5-ribbed  +
Ageratina paupercula +
5-ribbed  +
Ageratina rothrockii +
5-ribbed  +
Ageratina shastensis +
5-ribbed  +
Ageratina thyrsiflora +
5-ribbed  +
Ageratina wrightii +
5-ribbed  +
Ageratum +
4-5-ribbed  +
Ageratum conyzoides +
4-5-ribbed  +
Ageratum corymbosum +
4-5-ribbed  +
Ageratum houstonianum +
4-5-ribbed  +
Ageratum maritimum +
4-5-ribbed  +
Agnorhiza +
ribbed  +
Agnorhiza bolanderi +
ribbed  +
Agnorhiza elata +
ribbed  +
Agnorhiza invenusta +
ribbed  +
Agnorhiza ovata +
ribbed  +
Agnorhiza reticulata +
ribbed  +
Almutaster +
beaked  +, 2-ribbed  +, 5-ribbed  +
Almutaster pauciflorus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Amauriopsis +
beaked  +
Amauriopsis dissecta +
beaked  +
Amberboa +
beaked  +
Amberboa moschata +
beaked  +
Amblyolepis +
10-ribbed  +
Amblyolepis setigera +
10-ribbed  +
Amblyopappus +
beaked  +
Amblyopappus pusillus +
beaked  +
Ambrosia +
spiny  +
Ambrosia acanthicarpa +
spiny  +
Ambrosia ambrosioides +
spiny  +
Ambrosia artemisiifolia +
spiny  +
Ambrosia bidentata +
spiny  +
Ambrosia chamissonis +
spiny  +
Ambrosia cheiranthifolia +
spiny  +
Ambrosia chenopodiifolia +
spiny  +
Ambrosia confertiflora +
spiny  +
Ambrosia cordifolia +
spiny  +
Ambrosia deltoidea +
spiny  +
Ambrosia dumosa +
spiny  +
Ambrosia eriocentra +
spiny  +
Ambrosia grayi +
spiny  +
Ambrosia hispida +
spiny  +
Ambrosia ilicifolia +
spiny  +
Ambrosia linearis +
spiny  +
Ambrosia monogyra +
spiny  +
Ambrosia psilostachya +
spiny  +
Ambrosia pumila +
spiny  +
Ambrosia salsola +
spiny  +
Ambrosia tomentosa +
spiny  +
Ambrosia trifida +
spiny  +
Ampelaster +
9-12-ribbed  +
Ampelaster carolinianus +
9-12-ribbed  +
Amphiachyris +
4-9-ribbed  +
Amphiachyris amoena +
4-6-ribbed  +
Amphiachyris dracunculoides +
7-9-ribbed  +
Amphipappus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Amphipappus fremontii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Amphipappus fremontii var. fremontii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Amphipappus fremontii var. spinosus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Anisocarpus +
beaked  +
Anisocarpus madioides +
beaked  +
Anisocarpus scabridus +
beaked  +
Aphanostephus +
4-12-thick-ribbed  +
Aphanostephus pilosus +
4-12-thick-ribbed  +
Aphanostephus ramosissimus +
4-12-thick-ribbed  +
Aphanostephus ramosissimus var. humilis +
4-12-thick-ribbed  +
Aphanostephus ramosissimus var. ramosissimus +
4-12-thick-ribbed  +
Aphanostephus riddellii +
4-12-thick-ribbed  +
Aphanostephus skirrhobasis +
4-12-thick-ribbed  +
Aphanostephus skirrhobasis var. kidderi +
4-12-thick-ribbed  +
Aphanostephus skirrhobasis var. skirrhobasis +
4-12-thick-ribbed  +
Aphanostephus skirrhobasis var. thalassius +
4-12-thick-ribbed  +
Arctium +
ribbed  +
Arctium lappa +
ribbed  +
Arctium minus +
ribbed  +
Arctium tomentosum +
ribbed  +
Arctotheca +
not beaked  +
Arctotheca calendula +
not beaked  +
Arctotis +
not beaked  +
Arctotis fastuosa +
not beaked  +
Arctotis stoechadifolia +
not beaked  +
Arida +
beaked  +, 2-ribbed  +, 5-ribbed  +
Arida arizonica +
beaked  +, 2-ribbed  +, 5-ribbed  +
Arida blepharophylla +
beaked  +, 2-ribbed  +, 5-ribbed  +
Arida carnosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Arida mattturneri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Arida parviflora +
beaked  +, 2-ribbed  +, 5-ribbed  +
Arida riparia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Arnica +
beaked  +
Arnica acaulis +
beaked  +
Arnica angustifolia +
beaked  +
Arnica angustifolia subsp. angustifolia +
beaked  +
Arnica angustifolia subsp. tomentosa +
beaked  +
Arnica cernua +
beaked  +
Arnica chamissonis +
beaked  +
Arnica cordifolia +
beaked  +
Arnica dealbata +
beaked  +
Arnica discoidea +
beaked  +
Arnica fulgens +
beaked  +
Arnica gracilis +
beaked  +
Arnica griscomii +
beaked  +
Arnica griscomii subsp. frigida +
beaked  +
Arnica griscomii subsp. griscomii +
beaked  +
Arnica lanceolata +
beaked  +
Arnica lanceolata subsp. lanceolata +
beaked  +
Arnica lanceolata subsp. prima +
beaked  +
Arnica latifolia +
beaked  +
Arnica lessingii +
beaked  +
Arnica lonchophylla +
beaked  +
Arnica longifolia +
beaked  +
Arnica louiseana +
beaked  +
Arnica mollis +
beaked  +
Arnica nevadensis +
beaked  +
Arnica ovata +
beaked  +
Arnica parryi +
beaked  +
Arnica rydbergii +
beaked  +
Arnica sororia +
beaked  +
Arnica spathulata +
beaked  +
Arnica unalaschcensis +
beaked  +
Arnica venosa +
beaked  +
Arnica viscosa +
beaked  +
Arnoglossum +
beaked  +
Arnoglossum album +
beaked  +
Arnoglossum atriplicifolium +
beaked  +
Arnoglossum diversifolium +
beaked  +
Arnoglossum floridanum +
beaked  +
Arnoglossum ovatum +
beaked  +
Arnoglossum plantagineum +
beaked  +
Arnoglossum reniforme +
beaked  +
Arnoglossum sulcatum +
beaked  +
Arnoseris +
not beaked  +
Arnoseris minima +
not beaked  +
Asanthus +
(9-)10-ribbed  +
Asanthus squamulosus +
(9-)10-ribbed  +
Aster +
beaked  +, 2-ribbed  +, 5-ribbed  +
Aster alpinus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Aster alpinus subsp. vierhapperi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Aster tataricus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Asteraceae (tribe Heliantheae) subtribe Ambrosiinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Baeriinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Chaenactidinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Clappiinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Coreopsidinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Dimeresiinae +
fine-ribbed  +
Asteraceae (tribe Heliantheae) subtribe Ecliptinae +
ribbed  +
Asteraceae (tribe Heliantheae) subtribe Flaveriinae +
10-15-ribbed  +
Asteraceae (tribe Heliantheae) subtribe Gaillardiinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Galinsoginae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Guardiolinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Helianthinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Hymenopappinae +
12-16-ribbed  +
Asteraceae (tribe Heliantheae) subtribe Jaumeinae +
10-ribbed  +
Asteraceae (tribe Heliantheae) subtribe Madiinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Marshalliinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Melampodiinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Milleriinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Pectidinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Peritylinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Polymniinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Rudbeckiinae +
beaked  +
Asteraceae (tribe Heliantheae) subtribe Varillinae +
8-15-ribbed  +
Asteraceae (tribe Heliantheae) subtribe Zaluzaniinae +
beaked  +
Asteraceae tribe Arctotideae +
not beaked  +
Asteraceae tribe Astereae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Asteraceae tribe Calenduleae +
beaked  +
Asteraceae tribe Cardueae +
beaked  +
Asteraceae tribe Eupatorieae +
beaked  +
Asteraceae tribe Heliantheae +
beaked  +
Asteraceae tribe Inuleae +
not beaked  +
Asteraceae tribe Mutisieae +
beaked  +
Asteraceae tribe Plucheeae +
not beaked  +
Asteraceae tribe Senecioneae +
beaked  +
Asteraceae tribe Vernonieae +
not beaked  +
Astranthium +
beaked  +, 2-ribbed  +, 5-ribbed  +
Astranthium ciliatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Astranthium integrifolium +
beaked  +, 2-ribbed  +, 5-ribbed  +
Astranthium robustum +
beaked  +, 2-ribbed  +, 5-ribbed  +
B
Baccharis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis angustifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis bigelovii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis brachyphylla +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis dioica +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis glomeruliflora +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis glutinosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis halimifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis havardii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis malibuensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis neglecta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis pilularis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis pilularis subsp. consanguinea +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis pilularis subsp. pilularis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis plummerae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis plummerae subsp. glabrata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis plummerae subsp. plummerae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis pteronioides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis salicifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis salicina +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis sarothroides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis sergiloides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis texana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis thesioides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis vanessae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Baccharis wrightii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Bahia +
beaked  +
Bahia absinthifolia +
beaked  +
Bahia bigelovii +
beaked  +
Bahia biternata +
beaked  +
Bahia pedata +
beaked  +
Bahiopsis +
beaked  +
Bahiopsis laciniata +
beaked  +
Bahiopsis parishii +
beaked  +
Bahiopsis reticulata +
beaked  +
Baileya +
ribbed  +
Baileya multiradiata +
ribbed  +
Baileya pauciradiata +
ribbed  +
Baileya pleniradiata +
ribbed  +
Balduina +
beaked  +
Balduina angustifolia +
beaked  +
Balduina atropurpurea +
beaked  +
Balduina uniflora +
beaked  +
Balsamorhiza +
ribbed  +
Balsamorhiza careyana +
ribbed  +
Balsamorhiza deltoidea +
ribbed  +
Balsamorhiza hispidula +
ribbed  +
Balsamorhiza hookeri +
ribbed  +
Balsamorhiza incana +
ribbed  +
Balsamorhiza lanata +
ribbed  +
Balsamorhiza macrolepis +
ribbed  +
Balsamorhiza macrophylla +
ribbed  +
Balsamorhiza rosea +
ribbed  +
Balsamorhiza sagittata +
ribbed  +
Balsamorhiza sericea +
ribbed  +
Balsamorhiza serrata +
ribbed  +
Balsamorhiza subg. Artorhiza +
ribbed  +
Balsamorhiza subg. Balsamorhiza +
ribbed  +
Barkleyanthus +
beaked  +
Barkleyanthus salicifolius +
beaked  +
Bartlettia +
beaked  +
Bartlettia scaposa +
beaked  +
Bebbia +
beaked  +
Bebbia juncea +
beaked  +
Bebbia juncea var. aspera +
beaked  +
Bellis +
2-ribbed  +
Bellis perennis +
2-ribbed  +
Benitoa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Benitoa occidentalis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Berlandiera +
ribbed  +
Berlandiera lyrata +
ribbed  +
Berlandiera monocephala +
ribbed  +
Berlandiera pumila +
ribbed  +
Berlandiera subacaulis +
ribbed  +
Berlandiera texana +
ribbed  +
Berlandiera ×betonicifolia +
ribbed  +
Berlandiera ×humilis +
ribbed  +
Berlandiera ×macrophylla +
ribbed  +
Bidens +
beaked  +
Bidens amplissima +
beaked  +
Bidens aristosa +
beaked  +
Bidens aurea +
beaked  +
Bidens beckii +
beaked  +
Bidens bidentoides +
beaked  +
Bidens bigelovii +
beaked  +
Bidens bipinnata +
beaked  +
Bidens cernua +
beaked  +
Bidens connata +
beaked  +
Bidens discoidea +
beaked  +
Bidens eatonii +
beaked  +
Bidens frondosa +
beaked  +
Bidens heterodoxa +
beaked  +
Bidens heterosperma +
beaked  +
Bidens hyperborea +
beaked  +
Bidens laevis +
beaked  +
Bidens lemmonii +
beaked  +
Bidens leptocephala +
beaked  +
Bidens mitis +
beaked  +
Bidens pilosa +
beaked  +
Bidens polylepis +
beaked  +
Bidens tenuisecta +
beaked  +
Bidens trichosperma +
beaked  +
Bidens tripartita +
beaked  +
Bidens vulgata +
beaked  +
Bigelowia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Bigelowia nudata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Bigelowia nudata var. australis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Bigelowia nudata var. nudata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Bigelowia nuttallii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Blennosperma +
beaked  +
Blennosperma bakeri +
beaked  +
Blennosperma nanum +
beaked  +
Blennosperma nanum var. nanum +
beaked  +
Blennosperma nanum var. robustum +
beaked  +
Blepharipappus +
beaked  +
Blepharipappus scaber +
beaked  +
Blepharizonia +
beaked  +
Blepharizonia laxa +
beaked  +
Blepharizonia plumosa +
beaked  +
Boltonia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Boltonia apalachicolensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Boltonia asteroides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Boltonia asteroides var. asteroides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Boltonia asteroides var. latisquama +
beaked  +, 2-ribbed  +, 5-ribbed  +
Boltonia asteroides var. recognita +
beaked  +, 2-ribbed  +, 5-ribbed  +
Boltonia caroliniana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Boltonia decurrens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Boltonia diffusa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Boltonia diffusa var. diffusa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Boltonia diffusa var. interior +
beaked  +, 2-ribbed  +, 5-ribbed  +
Borrichia +
ribbed  +
Borrichia arborescens +
ribbed  +
Borrichia frutescens +
ribbed  +
Borrichia ×cubana +
ribbed  +
Bradburia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Bradburia hirtella +
ribbed  +
Bradburia pilosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Brickellia +
10-ribbed  +
Brickellia amplexicaulis +
10-ribbed  +
Brickellia atractyloides +
10-ribbed  +
Brickellia atractyloides var. arguta +
10-ribbed  +
Brickellia atractyloides var. atractyloides +
10-ribbed  +
Brickellia atractyloides var. odontolepis +
10-ribbed  +
Brickellia baccharidea +
10-ribbed  +
Brickellia betonicifolia +
10-ribbed  +
Brickellia brachyphylla +
10-ribbed  +
Brickellia californica +
10-ribbed  +
Brickellia chenopodina +
10-ribbed  +
Brickellia cordifolia +
10-ribbed  +
Brickellia coulteri +
10-ribbed  +
Brickellia coulteri var. brachiata +
10-ribbed  +
Brickellia coulteri var. coulteri +
10-ribbed  +
Brickellia cylindracea +
10-ribbed  +
Brickellia dentata +
10-ribbed  +
Brickellia desertorum +
10-ribbed  +
Brickellia eupatorioides +
10-ribbed  +
Brickellia eupatorioides var. chlorolepis +
10-ribbed  +
Brickellia eupatorioides var. corymbulosa +
10-ribbed  +
Brickellia eupatorioides var. eupatorioides +
10-ribbed  +
Brickellia eupatorioides var. floridana +
10-ribbed  +
Brickellia eupatorioides var. gracillima +
10-ribbed  +
Brickellia eupatorioides var. texana +
10-ribbed  +
Brickellia floribunda +
10-ribbed  +
Brickellia frutescens +
10-ribbed  +
Brickellia grandiflora +
10-ribbed  +
Brickellia greenei +
10-ribbed  +
Brickellia hinckleyi +
10-ribbed  +
Brickellia hinckleyi var. hinckleyi +
10-ribbed  +
Brickellia hinckleyi var. terlinguensis +
10-ribbed  +
Brickellia incana +
10-ribbed  +
Brickellia knappiana +
10-ribbed  +
Brickellia laciniata +
10-ribbed  +
Brickellia lemmonii +
10-ribbed  +
Brickellia lemmonii var. conduplicata +
10-ribbed  +
Brickellia lemmonii var. lemmonii +
10-ribbed  +
Brickellia longifolia +
10-ribbed  +
Brickellia longifolia var. longifolia +
10-ribbed  +
Brickellia longifolia var. multiflora +
10-ribbed  +
Brickellia microphylla +
10-ribbed  +
Brickellia microphylla var. microphylla +
10-ribbed  +
Brickellia microphylla var. scabra +
10-ribbed  +
Brickellia nevinii +
10-ribbed  +
Brickellia oblongifolia +
10-ribbed  +
Brickellia oblongifolia var. linifolia +
10-ribbed  +
Brickellia oblongifolia var. oblongifolia +
10-ribbed  +
Brickellia parvula +
10-ribbed  +
Brickellia pringlei +
10-ribbed  +
Brickellia rusbyi +
10-ribbed  +
Brickellia simplex +
10-ribbed  +
Brickellia venosa +
10-ribbed  +
Brickellia veronicifolia +
10-ribbed  +
Brickelliastrum +
5(-7)-ribbed  +
Brickelliastrum fendleri +
5(-7)-ribbed  +
Brintonia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Brintonia discoidea +
beaked  +, 2-ribbed  +, 5-ribbed  +
C
Cacaliopsis +
beaked  +
Cacaliopsis nardosmia +
beaked  +
Calendula +
beaked  +
Calendula arvensis +
beaked  +
Calendula officinalis +
beaked  +
Calycadenia +
beaked  +
Calycadenia fremontii +
beaked  +
Calycadenia hooveri +
beaked  +
Calycadenia micrantha +
beaked  +
Calycadenia mollis +
beaked  +
Calycadenia multiglandulosa +
beaked  +
Calycadenia oppositifolia +
beaked  +
Calycadenia pauciflora +
beaked  +
Calycadenia spicata +
beaked  +
Calycadenia truncata +
beaked  +
Calycadenia villosa +
beaked  +
Calycoseris +
beaked  +
Calycoseris parryi +
beaked  +
Calycoseris wrightii +
beaked  +
Calyptocarpus +
ribbed  +
Calyptocarpus vialis +
ribbed  +
Canadanthus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Canadanthus modestus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Carduus +
beaked  +
Carduus acanthoides +
beaked  +
Carduus acanthoides subsp. acanthoides +
beaked  +
Carduus crispus +
beaked  +
Carduus nutans +
beaked  +
Carduus pycnocephalus +
beaked  +
Carduus pycnocephalus subsp. pycnocephalus +
beaked  +
Carduus tenuiflorus +
beaked  +
Carlina +
not ribbed  +
Carlina vulgaris +
not ribbed  +
Carlina vulgaris subsp. vulgaris +
not ribbed  +
Carlquistia +
beaked  +
Carlquistia muirii +
beaked  +
Carminatia +
5-ribbed  +
Carminatia tenuiflora +
5-ribbed  +
Carphephorus +
10-ribbed  +
Carphephorus bellidifolius +
10-ribbed  +
Carphephorus carnosus +
10-ribbed  +
Carphephorus corymbosus +
10-ribbed  +
Carphephorus odoratissimus +
10-ribbed  +
Carphephorus odoratissimus var. odoratissimus +
10-ribbed  +
Carphephorus odoratissimus var. subtropicanus +
10-ribbed  +
Carphephorus paniculatus +
10-ribbed  +
Carphephorus pseudoliatris +
10-ribbed  +
Carphephorus tomentosus +
10-ribbed  +
Carphochaete +
[4-]8-10-ribbed  +
Carphochaete bigelovii +
[4-]8-10-ribbed  +
Carthamus +
beaked  +
Carthamus creticus +
beaked  +
Carthamus lanatus +
beaked  +
Carthamus leucocaulos +
beaked  +
Carthamus tinctorius +
beaked  +
Centaurea +
ribbed  +
Centaurea benedicta +
ribbed  +
Centaurea calcitrapa +
ribbed  +
Centaurea cyanus +
ribbed  +
Centaurea depressa +
ribbed  +
Centaurea diffusa +
ribbed  +
Centaurea diluta +
ribbed  +
Centaurea iberica +
ribbed  +
Centaurea jacea +
ribbed  +
Centaurea macrocephala +
ribbed  +
Centaurea melitensis +
ribbed  +
Centaurea montana +
ribbed  +
Centaurea nigra +
ribbed  +
Centaurea nigrescens +
ribbed  +
Centaurea phrygia +
ribbed  +
Centaurea scabiosa +
ribbed  +
Centaurea solstitialis +
ribbed  +
Centaurea stoebe +
ribbed  +
Centaurea stoebe subsp. micranthos +
ribbed  +
Centaurea sulphurea +
ribbed  +
Centaurea virgata +
ribbed  +
Centaurea virgata subsp. squarrosa +
ribbed  +
Centaurea ×moncktonii +
ribbed  +
Centratherum +
8-10-ribbed  +
Centratherum punctatum +
8-10-ribbed  +
Centromadia +
beaked  +
Centromadia fitchii +
beaked  +
Centromadia parryi +
beaked  +
Centromadia parryi subsp. australis +
beaked  +
Centromadia parryi subsp. congdonii +
beaked  +
Centromadia parryi subsp. parryi +
beaked  +
Centromadia parryi subsp. rudis +
beaked  +
Centromadia pungens +
beaked  +
Centromadia pungens subsp. laevis +
beaked  +
Centromadia pungens subsp. pungens +
beaked  +
Chaenactis +
beaked  +
Chaenactis alpigena +
beaked  +
Chaenactis artemisiifolia +
beaked  +
Chaenactis carphoclinia +
beaked  +
Chaenactis carphoclinia var. carphoclinia +
beaked  +
Chaenactis carphoclinia var. peirsonii +
beaked  +
Chaenactis cusickii +
beaked  +
Chaenactis douglasii +
beaked  +
Chaenactis douglasii var. alpina +
beaked  +
Chaenactis douglasii var. douglasii +
beaked  +
Chaenactis evermannii +
beaked  +
Chaenactis fremontii +
beaked  +
Chaenactis glabriuscula +
beaked  +
Chaenactis glabriuscula var. glabriuscula +
beaked  +
Chaenactis glabriuscula var. heterocarpha +
beaked  +
Chaenactis glabriuscula var. lanosa +
beaked  +
Chaenactis glabriuscula var. megacephala +
beaked  +
Chaenactis glabriuscula var. orcuttiana +
beaked  +
Chaenactis macrantha +
beaked  +
Chaenactis nevadensis +
beaked  +
Chaenactis nevii +
beaked  +
Chaenactis parishii +
beaked  +
Chaenactis santolinoides +
beaked  +
Chaenactis sect. Acarphaea +
beaked  +
Chaenactis sect. Chaenactis +
beaked  +
Chaenactis sect. Macrocarphus +
beaked  +
Chaenactis stevioides +
beaked  +
Chaenactis suffrutescens +
beaked  +
Chaenactis thompsonii +
beaked  +
Chaenactis xantiana +
beaked  +
Chaetopappa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Chaetopappa asteroides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Chaetopappa asteroides var. asteroides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Chaetopappa asteroides var. grandis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Chaetopappa bellidifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Chaetopappa bellioides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Chaetopappa effusa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Chaetopappa ericoides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Chaetopappa hersheyi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Chaetopappa imberbis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Chaetopappa parryi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Chamaechaenactis +
beaked  +
Chamaechaenactis scaposa +
beaked  +
Chaptalia +
beaked  +
Chaptalia albicans +
beaked  +
Chaptalia texana +
beaked  +
Chaptalia tomentosa +
beaked  +
Chloracantha +
beaked  +, 2-ribbed  +, 5-ribbed  +
Chloracantha spinosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Chloracantha spinosa var. spinosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Chorisiva +
beaked  +
Chorisiva nevadensis +
beaked  +
Chromolaena +
(3-)5-ribbed  +
Chromolaena bigelovii +
(3-)5-ribbed  +
Chromolaena frustrata +
(3-)5-ribbed  +
Chromolaena ivifolia +
(3-)5-ribbed  +
Chromolaena odorata +
(3-)5-ribbed  +
Chrysactinia +
beaked  +
Chrysactinia mexicana +
beaked  +
Chrysanthemoides +
beaked  +
Chrysanthemoides monilifera +
beaked  +
Chrysogonum +
ribbed  +
Chrysogonum virginianum +
ribbed  +
Chrysogonum virginianum var. australe +
ribbed  +
Chrysogonum virginianum var. brevistolon +
ribbed  +
Chrysogonum virginianum var. virginianum +
ribbed  +
Chrysoma +
8-10-ribbed  +
Chrysoma pauciflosculosa +
8-10-ribbed  +
Chrysopsis +
1-10-ribbed  +
Chrysopsis delaneyi +
ribbed  +
Chrysopsis floridana +
1-10-ribbed  +
Chrysopsis godfreyi +
ribbed  +
Chrysopsis gossypina +
ribbed  +
Chrysopsis gossypina subsp. cruiseana +
ribbed  +
Chrysopsis gossypina subsp. gossypina +
ribbed  +
Chrysopsis gossypina subsp. hyssopifolia +
ribbed  +
Chrysopsis highlandsensis +
ribbed  +
Chrysopsis lanuginosa +
ribbed  +
Chrysopsis latisquamea +
ribbed  +
Chrysopsis linearifolia +
ribbed  +
Chrysopsis linearifolia subsp. dressii +
ribbed  +
Chrysopsis linearifolia subsp. linearifolia +
ribbed  +
Chrysopsis mariana +
ribbed  +
Chrysopsis scabrella +
ribbed  +
Chrysopsis subulata +
ribbed  +
Chrysothamnus +
5-10-ribbed  +
Chrysothamnus depressus +
5-10-ribbed  +
Chrysothamnus eremobius +
5-10-ribbed  +
Chrysothamnus greenei +
5-10-ribbed  +
Chrysothamnus humilis +
5-10-ribbed  +
Chrysothamnus molestus +
5-ribbed  +
Chrysothamnus scopulorum +
5-10-ribbed  +
Chrysothamnus stylosus +
5-10-ribbed  +
Chrysothamnus vaseyi +
5-10-ribbed  +
Chrysothamnus viscidiflorus +
5-10-ribbed  +
Chrysothamnus viscidiflorus subsp. axillaris +
5-10-ribbed  +
Chrysothamnus viscidiflorus subsp. lanceolatus +
5-10-ribbed  +
Chrysothamnus viscidiflorus subsp. planifolius +
5-10-ribbed  +
Chrysothamnus viscidiflorus subsp. puberulus +
5-10-ribbed  +
Chrysothamnus viscidiflorus subsp. viscidiflorus +
5-10-ribbed  +
Cichorium +
not beaked  +
Cichorium intybus +
not beaked  +
Cirsium +
not ribbed  +
Cirsium altissimum +
not ribbed  +
Cirsium andersonii +
not ribbed  +
Cirsium andrewsii +
not ribbed  +
Cirsium arizonicum +
not ribbed  +
Cirsium arizonicum var. arizonicum +
not ribbed  +
Cirsium arizonicum var. bipinnatum +
not ribbed  +
Cirsium arizonicum var. chellyense +
not ribbed  +
Cirsium arizonicum var. rothrockii +
not ribbed  +
Cirsium arizonicum var. tenuisectum +
not ribbed  +
Cirsium arvense +
not ribbed  +
Cirsium barnebyi +
not ribbed  +
Cirsium brevifolium +
not ribbed  +
Cirsium brevistylum +
not ribbed  +
Cirsium canescens +
not ribbed  +
Cirsium carolinianum +
not ribbed  +
Cirsium ciliolatum +
not ribbed  +
Cirsium clavatum +
not ribbed  +
Cirsium clavatum var. americanum +
not ribbed  +
Cirsium clavatum var. clavatum +
not ribbed  +
Cirsium clavatum var. osterhoutii +
not ribbed  +
Cirsium crassicaule +
not ribbed  +
Cirsium cymosum +
not ribbed  +
Cirsium cymosum var. canovirens +
not ribbed  +
Cirsium cymosum var. cymosum +
not ribbed  +
Cirsium discolor +
not ribbed  +
Cirsium douglasii +
not ribbed  +
Cirsium douglasii var. breweri +
not ribbed  +
Cirsium douglasii var. douglasii +
not ribbed  +
Cirsium drummondii +
not ribbed  +
Cirsium eatonii +
not ribbed  +
Cirsium eatonii var. clokeyi +
not ribbed  +
Cirsium eatonii var. eatonii +
not ribbed  +
Cirsium eatonii var. eriocephalum +
not ribbed  +
Cirsium eatonii var. hesperium +
not ribbed  +
Cirsium eatonii var. murdockii +
not ribbed  +
Cirsium eatonii var. peckii +
not ribbed  +
Cirsium eatonii var. viperinum +
not ribbed  +
Cirsium edule +
not ribbed  +
Cirsium edule var. edule +
not ribbed  +
Cirsium edule var. macounii +
not ribbed  +
Cirsium edule var. wenatchense +
not ribbed  +
Cirsium engelmannii +
not ribbed  +
Cirsium flodmanii +
not ribbed  +
Cirsium foliosum +
not ribbed  +
Cirsium fontinale +
not ribbed  +
Cirsium fontinale var. campylon +
not ribbed  +
Cirsium fontinale var. fontinale +
not ribbed  +
Cirsium fontinale var. obispoense +
not ribbed  +
Cirsium grahamii +
not ribbed  +
Cirsium helenioides +
not ribbed  +
Cirsium hookerianum +
not ribbed  +
Cirsium horridulum +
not ribbed  +
Cirsium horridulum var. horridulum +
not ribbed  +
Cirsium horridulum var. megacanthum +
not ribbed  +
Cirsium horridulum var. vittatum +
not ribbed  +
Cirsium hydrophilum +
not ribbed  +
Cirsium hydrophilum var. hydrophilum +
not ribbed  +
Cirsium hydrophilum var. vaseyi +
not ribbed  +
Cirsium inamoenum +
not ribbed  +
Cirsium inamoenum var. davisii +
not ribbed  +
Cirsium inamoenum var. inamoenum +
not ribbed  +
Cirsium joannae +
not ribbed  +
Cirsium kamtschaticum +
not ribbed  +
Cirsium lecontei +
not ribbed  +
Cirsium longistylum +
not ribbed  +
Cirsium mohavense +
not ribbed  +
Cirsium muticum +
not ribbed  +
Cirsium neomexicanum +
not ribbed  +
Cirsium nuttallii +
not ribbed  +
Cirsium occidentale +
not ribbed  +
Cirsium occidentale var. californicum +
not ribbed  +
Cirsium occidentale var. candidissimum +
not ribbed  +
Cirsium occidentale var. compactum +
not ribbed  +
Cirsium occidentale var. coulteri +
not ribbed  +
Cirsium occidentale var. lucianum +
not ribbed  +
Cirsium occidentale var. occidentale +
not ribbed  +
Cirsium occidentale var. venustum +
not ribbed  +
Cirsium ochrocentrum +
not ribbed  +
Cirsium ochrocentrum var. martinii +
not ribbed  +
Cirsium ochrocentrum var. ochrocentrum +
not ribbed  +
Cirsium ownbeyi +
not ribbed  +
Cirsium palustre +
not ribbed  +
Cirsium parryi +
not ribbed  +
Cirsium perplexans +
not ribbed  +
Cirsium pitcheri +
not ribbed  +
Cirsium praeteriens +
not ribbed  +
Cirsium pulcherrimum +
not ribbed  +
Cirsium pulcherrimum var. aridum +
not ribbed  +
Cirsium pulcherrimum var. pulcherrimum +
not ribbed  +
Cirsium pumilum +
not ribbed  +
Cirsium pumilum var. hillii +
not ribbed  +
Cirsium pumilum var. pumilum +
not ribbed  +
Cirsium quercetorum +
not ribbed  +
Cirsium remotifolium +
not ribbed  +
Cirsium remotifolium var. odontolepis +
not ribbed  +
Cirsium remotifolium var. remotifolium +
not ribbed  +
Cirsium remotifolium var. rivulare +
not ribbed  +
Cirsium repandum +
not ribbed  +
Cirsium rhothophilum +
not ribbed  +
Cirsium rydbergii +
not ribbed  +
Cirsium scariosum +
not ribbed  +
Cirsium scariosum var. americanum +
not ribbed  +
Cirsium scariosum var. citrinum +
not ribbed  +
Cirsium scariosum var. coloradense +
not ribbed  +
Cirsium scariosum var. congdonii +
not ribbed  +
Cirsium scariosum var. robustum +
not ribbed  +
Cirsium scariosum var. scariosum +
not ribbed  +
Cirsium scariosum var. thorneae +
not ribbed  +
Cirsium scariosum var. toiyabense +
not ribbed  +
Cirsium texanum +
not ribbed  +
Cirsium tracyi +
not ribbed  +
Cirsium turneri +
not ribbed  +
Cirsium undulatum +
not ribbed  +
Cirsium vinaceum +
not ribbed  +
Cirsium virginianum +
not ribbed  +
Cirsium vulgare +
not ribbed  +
Cirsium wheeleri +
not ribbed  +
Cirsium wrightii +
not ribbed  +
Clappia +
beaked  +
Clappia suaedifolia +
beaked  +
Columbiadoria +
beaked  +, 2-ribbed  +, 5-ribbed  +
Columbiadoria hallii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Conoclinium +
5-ribbed  +
Conoclinium betonicifolium +
5-ribbed  +
Conoclinium betonicifolium var. betonicifolium +
5-ribbed  +
Conoclinium betonicifolium var. integrifolium +
5-ribbed  +
Conoclinium coelestinum +
5-ribbed  +
Conoclinium dissectum +
5-ribbed  +
Constancea +
beaked  +
Constancea nevinii +
beaked  +
Conyza +
beaked  +, 2-ribbed  +, 5-ribbed  +
Conyza bonariensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Conyza canadensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Conyza floribunda +
beaked  +, 2-ribbed  +, 5-ribbed  +
Conyza ramosissima +
beaked  +, 2-ribbed  +, 5-ribbed  +
Coreocarpus +
beaked  +
Coreocarpus arizonicus +
beaked  +
Coreopsis +
beaked  +
Coreopsis auriculata +
beaked  +
Coreopsis basalis +
beaked  +
Coreopsis bigelovii +
beaked  +
Coreopsis californica +
beaked  +
Coreopsis calliopsidea +
beaked  +
Coreopsis delphiniifolia +
beaked  +
Coreopsis douglasii +
beaked  +
Coreopsis gigantea +
beaked  +
Coreopsis gladiata +
beaked  +
Coreopsis grandiflora +
beaked  +
Coreopsis hamiltonii +
beaked  +
Coreopsis integrifolia +
beaked  +
Coreopsis intermedia +
beaked  +
Coreopsis lanceolata +
beaked  +
Coreopsis latifolia +
beaked  +
Coreopsis leavenworthii +
beaked  +
Coreopsis major +
beaked  +
Coreopsis maritima +
beaked  +
Coreopsis nudata +
beaked  +
Coreopsis nuecensis +
beaked  +
Coreopsis palmata +
beaked  +
Coreopsis pubescens +
beaked  +
Coreopsis pulchra +
beaked  +
Coreopsis rosea +
beaked  +
Coreopsis sect. Calliopsis +
beaked  +
Coreopsis sect. Coreopsis +
beaked  +
Coreopsis sect. Eublepharis +
beaked  +
Coreopsis sect. Gyrophyllum +
beaked  +
Coreopsis sect. Leptosyne +
beaked  +
Coreopsis sect. Pugiopappus +
beaked  +
Coreopsis sect. Silphidium +
beaked  +
Coreopsis sect. Tuckermannia +
beaked  +
Coreopsis stillmanii +
beaked  +
Coreopsis tinctoria +
beaked  +
Coreopsis tripteris +
beaked  +
Coreopsis verticillata +
beaked  +
Corethrogyne +
5-7-ribbed  +
Corethrogyne filaginifolia +
5-7-ribbed  +
Cosmos +
attenuate-beaked  +
Cosmos bipinnatus +
attenuate-beaked  +
Cosmos caudatus +
attenuate-beaked  +
Cosmos parviflorus +
attenuate-beaked  +
Cosmos sulphureus +
attenuate-beaked  +
Crepis bursifolia +
beaked  +
Crepis elegans +
beaked  +
Crepis modocensis subsp. glareosa +
beaked  +
Crepis modocensis subsp. modocensis +
beaked  +
Crepis modocensis subsp. rostrata +
beaked  +
Crepis modocensis subsp. subacaulis +
not beaked  +
Crepis runcinata +
beaked  +
Crepis runcinata subsp. andersonii +
beaked  +
Crepis runcinata subsp. barberi +
not beaked  +
Crepis runcinata subsp. glauca +
not beaked  +
Crepis runcinata subsp. hallii +
not beaked  +
Crepis runcinata subsp. hispidulosa +
not beaked  +
Crepis runcinata subsp. imbricata +
not beaked  +
Crepis runcinata subsp. runcinata +
not beaked  +
Crepis setosa +
beaked  +
Crocidium +
beaked  +
Crocidium multicaule +
beaked  +
Croptilon +
beaked  +, 2-ribbed  +, 5-ribbed  +
Croptilon divaricatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Croptilon hookerianum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Croptilon hookerianum var. graniticum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Croptilon hookerianum var. hookerianum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Croptilon hookerianum var. validum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Croptilon rigidifolium +
beaked  +, 2-ribbed  +, 5-ribbed  +
Crupina +
beaked  +
Crupina vulgaris +
beaked  +
Cuniculotinus +
5-6-ribbed  +
Cuniculotinus gramineus +
5-6-ribbed  +
Cyanthillium +
not ribbed  +
Cyanthillium cinereum +
not ribbed  +
Cyclachaena +
beaked  +
Cyclachaena xanthiifolia +
beaked  +
Cynara +
ribbed  +
Cynara cardunculus +
ribbed  +
Cynara cardunculus subsp. cardunculus +
ribbed  +
Cynara cardunculus subsp. flavescens +
ribbed  +
D
Deinandra +
beaked  +
Deinandra arida +
beaked  +
Deinandra bacigalupii +
beaked  +
Deinandra clementina +
beaked  +
Deinandra conjugens +
beaked  +
Deinandra corymbosa +
beaked  +
Deinandra fasciculata +
beaked  +
Deinandra floribunda +
beaked  +
Deinandra halliana +
beaked  +
Deinandra increscens +
beaked  +
Deinandra increscens subsp. increscens +
beaked  +
Deinandra increscens subsp. villosa +
beaked  +
Deinandra kelloggii +
beaked  +
Deinandra lobbii +
beaked  +
Deinandra minthornii +
beaked  +
Deinandra mohavensis +
beaked  +
Deinandra pallida +
beaked  +
Deinandra paniculata +
beaked  +
Deinandra pentactis +
beaked  +
Delairea +
beaked  +
Delairea odorata +
beaked  +
Dichaetophora +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dichaetophora campestris +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dicoria +
beaked  +
Dicoria canescens +
beaked  +
Dicranocarpus +
ribbed  +
Dicranocarpus parviflorus +
ribbed  +
Dieteria +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria asteroides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria asteroides var. asteroides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria asteroides var. glandulosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria asteroides var. lagunensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria bigelovii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria bigelovii var. bigelovii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria bigelovii var. commixta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria bigelovii var. mucronata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria canescens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria canescens var. ambigua +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria canescens var. aristata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria canescens var. canescens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria canescens var. glabra +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria canescens var. incana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria canescens var. leucanthemifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria canescens var. nebraskana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria canescens var. sessiliflora +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria canescens var. shastensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dieteria canescens var. ziegleri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Dimeresia +
fine-ribbed  +
Dimeresia howellii +
fine-ribbed  +
Dimorphotheca +
beaked  +
Dimorphotheca pluvialis +
beaked  +
Dimorphotheca sinuata +
beaked  +
Dittrichia +
not beaked  +
Dittrichia graveolens +
not beaked  +
Doellingeria +
4-10-ribbed  +
Doellingeria infirma +
6-10-ribbed  +
Doellingeria sericocarpoides +
6-8-ribbed  +
Doellingeria umbellata +
4-6-ribbed  +
Doellingeria umbellata var. pubens +
4-6-ribbed  +
Doellingeria umbellata var. umbellata +
4-6-ribbed  +
Doronicum +
10-ribbed  +, 5-ribbed  +
Doronicum orientale +
10-ribbed  +, 5-ribbed  +
Doronicum pardalianches +
10-ribbed  +, 5-ribbed  +
Doronicum plantagineum +
10-ribbed  +, 5-ribbed  +
Dysodiopsis +
beaked  +
Dysodiopsis tagetoides +
beaked  +
Dyssodia +
beaked  +
Dyssodia papposa +
beaked  +
E
Eastwoodia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eastwoodia elegans +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eatonella +
beaked  +
Eatonella nivea +
beaked  +
Echinacea +
ribbed  +
Echinacea angustifolia +
ribbed  +
Echinacea atrorubens +
ribbed  +
Echinacea laevigata +
ribbed  +
Echinacea pallida +
ribbed  +
Echinacea paradoxa +
ribbed  +
Echinacea paradoxa var. neglecta +
ribbed  +
Echinacea paradoxa var. paradoxa +
ribbed  +
Echinacea purpurea +
ribbed  +
Echinacea sanguinea +
ribbed  +
Echinacea simulata +
ribbed  +
Echinacea tennesseensis +
ribbed  +
Echinops +
beaked  +
Echinops exaltatus +
beaked  +
Echinops ritro +
beaked  +
Echinops ritro subsp. ruthenicus +
beaked  +
Echinops sphaerocephalus +
beaked  +
Eclipta +
ribbed  +
Eclipta prostrata +
ribbed  +
Egletes +
2-ribbed  +
Egletes viscosa +
2-ribbed  +
Elephantopus +
not beaked  +
Elephantopus carolinianus +
not beaked  +
Elephantopus elatus +
not beaked  +
Elephantopus nudatus +
not beaked  +
Elephantopus tomentosus +
not beaked  +
Emilia +
5-ribbed  +
Emilia fosbergii +
5-ribbed  +
Emilia sonchifolia +
5-ribbed  +
Encelia +
ribbed  +
Encelia actoni +
ribbed  +
Encelia californica +
ribbed  +
Encelia farinosa +
ribbed  +
Encelia frutescens +
ribbed  +
Encelia nutans +
ribbed  +
Encelia resinifera +
ribbed  +
Encelia scaposa +
ribbed  +
Encelia virginensis +
ribbed  +
Enceliopsis +
ribbed  +
Enceliopsis argophylla +
ribbed  +
Enceliopsis covillei +
ribbed  +
Enceliopsis nudicaulis +
ribbed  +
Engelmannia +
ribbed  +
Engelmannia peristenia +
ribbed  +
Erechtites +
beaked  +
Erechtites glomeratus +
beaked  +
Erechtites hieraciifolius +
beaked  +
Erechtites hieraciifolius var. hieraciifolius +
beaked  +
Erechtites hieraciifolius var. megalocarpus +
beaked  +
Erechtites minimus +
beaked  +
Ericameria +
5-12-ribbed  +
Ericameria albida +
5-12-ribbed  +
Ericameria arborescens +
5-12-ribbed  +
Ericameria arizonica +
5-12-ribbed  +
Ericameria bloomeri +
5-12-ribbed  +
Ericameria brachylepis +
5-12-ribbed  +
Ericameria cervina +
5-12-ribbed  +
Ericameria compacta +
5-12-ribbed  +
Ericameria cooperi +
5-12-ribbed  +
Ericameria cooperi var. cooperi +
5-12-ribbed  +
Ericameria crispa +
5-12-ribbed  +
Ericameria cuneata +
5-12-ribbed  +
Ericameria cuneata var. cuneata +
5-12-ribbed  +
Ericameria cuneata var. macrocephala +
5-12-ribbed  +
Ericameria cuneata var. spathulata +
5-12-ribbed  +
Ericameria discoidea +
5-12-ribbed  +
Ericameria ericoides +
5-12-ribbed  +
Ericameria fasciculata +
5-12-ribbed  +
Ericameria gilmanii +
5-12-ribbed  +
Ericameria greenei +
5-12-ribbed  +
Ericameria laricifolia +
5-12-ribbed  +
Ericameria lignumviridis +
5-12-ribbed  +
Ericameria linearifolia +
5-12-ribbed  +
Ericameria linearis +
5-12-ribbed  +
Ericameria nana +
5-12-ribbed  +
Ericameria nauseosa +
5-12-ribbed  +
Ericameria nauseosa var. arenaria +
5-12-ribbed  +
Ericameria nauseosa var. bernardina +
5-12-ribbed  +
Ericameria nauseosa var. bigelovii +
5-12-ribbed  +
Ericameria nauseosa var. ceruminosa +
5-12-ribbed  +
Ericameria nauseosa var. graveolens +
5-12-ribbed  +
Ericameria nauseosa var. hololeuca +
5-12-ribbed  +
Ericameria nauseosa var. iridis +
5-12-ribbed  +
Ericameria nauseosa var. juncea +
5-12-ribbed  +
Ericameria nauseosa var. latisquamea +
5-12-ribbed  +
Ericameria nauseosa var. leiosperma +
5-12-ribbed  +
Ericameria nauseosa var. mohavensis +
5-12-ribbed  +
Ericameria nauseosa var. nana +
5-12-ribbed  +
Ericameria nauseosa var. nauseosa +
5-12-ribbed  +
Ericameria nauseosa var. nitida +
5-12-ribbed  +
Ericameria nauseosa var. oreophila +
5-12-ribbed  +
Ericameria nauseosa var. psilocarpa +
5-12-ribbed  +
Ericameria nauseosa var. salicifolia +
5-12-ribbed  +
Ericameria nauseosa var. speciosa +
5-12-ribbed  +
Ericameria nauseosa var. texensis +
5-12-ribbed  +
Ericameria nauseosa var. turbinata +
5-12-ribbed  +
Ericameria nauseosa var. washoensis +
5-12-ribbed  +
Ericameria obovata +
5-12-ribbed  +
Ericameria ophitidis +
5-12-ribbed  +
Ericameria palmeri +
5-12-ribbed  +
Ericameria palmeri var. pachylepis +
5-12-ribbed  +
Ericameria palmeri var. palmeri +
5-12-ribbed  +
Ericameria paniculata +
5-12-ribbed  +
Ericameria parishii +
5-12-ribbed  +
Ericameria parishii var. parishii +
5-12-ribbed  +
Ericameria parryi +
5-12-ribbed  +
Ericameria parryi var. affinis +
5-12-ribbed  +
Ericameria parryi var. aspera +
5-12-ribbed  +
Ericameria parryi var. attenuata +
5-12-ribbed  +
Ericameria parryi var. howardii +
5-12-ribbed  +
Ericameria parryi var. imula +
5-12-ribbed  +
Ericameria parryi var. latior +
5-12-ribbed  +
Ericameria parryi var. monocephala +
5-12-ribbed  +
Ericameria parryi var. montana +
5-12-ribbed  +
Ericameria parryi var. nevadensis +
5-12-ribbed  +
Ericameria parryi var. parryi +
5-12-ribbed  +
Ericameria parryi var. salmonensis +
5-12-ribbed  +
Ericameria parryi var. vulcanica +
5-12-ribbed  +
Ericameria pinifolia +
5-12-ribbed  +
Ericameria resinosa +
5-12-ribbed  +
Ericameria suffruticosa +
5-12-ribbed  +
Ericameria teretifolia +
5-12-ribbed  +
Ericameria watsonii +
5-12-ribbed  +
Ericameria winwardii +
5-12-ribbed  +
Ericameria zionis +
5-12-ribbed  +
Erigeron +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron abajoensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron acomanus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron acris +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron acris var. kamtschaticus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron aequifolius +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron algidus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron aliceae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron allocotus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron alpiniformis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron anchana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron annuus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron aphanactis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron aphanactis var. aphanactis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron aphanactis var. congestus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron arenarioides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron argentatus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron arisolius +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron arizonicus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron asperugineus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron aureus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron barbellulatus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron basalticus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron bellidiastrum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron bellidiastrum var. arenarius +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron bellidiastrum var. bellidiastrum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron bellidiastrum var. robustus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron bigelovii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron biolettii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron blochmaniae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron bloomeri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron bloomeri var. bloomeri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron bloomeri var. nudatus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron breweri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron breweri var. bisanctus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron breweri var. breweri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron breweri var. covillei +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron breweri var. jacinteus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron breweri var. porphyreticus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron caespitosus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron calvus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron canaani +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron canus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron cascadensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron cavernensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron cervinus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron chrysopsidis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron chrysopsidis var. austiniae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron chrysopsidis var. brevifolius +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron chrysopsidis var. chrysopsidis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron clokeyi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron clokeyi var. clokeyi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron clokeyi var. pinzliae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron compactus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron compositus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron concinnus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron concinnus var. concinnus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron concinnus var. condensatus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron concinnus var. subglaber +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron consimilis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron corymbosus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron coulteri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron cronquistii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron davisii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron decumbens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron denalii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron disparipilus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron divergens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron eatonii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron eatonii var. eatonii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron eatonii var. lavandulus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron eatonii var. nevadincola +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron eatonii var. plantagineus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron eatonii var. sonnei +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron eatonii var. villosus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron elatior +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron elatus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron elegantulus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron elmeri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron engelmannii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron evermannii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron eximius +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron filifolius +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron flabellifolius +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron flagellaris +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron flettii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron foliosus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron foliosus var. confinis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron foliosus var. foliosus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron foliosus var. franciscensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron foliosus var. hartwegii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron foliosus var. mendocinus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron formosissimus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron formosissimus var. formosissimus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron formosissimus var. viscidus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron garrettii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron geiseri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron glabellus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron glabellus var. glabellus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron glabellus var. pubescens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron glacialis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron glacialis var. glacialis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron glacialis var. hirsutus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron glaucus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron goodrichii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron gracilis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron grandiflorus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron greenei +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron heliographis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron hessii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron howellii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron humilis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron hyperboreus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron hyssopifolius +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron inornatus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron inornatus var. calidipetris +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron inornatus var. inornatus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron inornatus var. keilii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron jonesii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron kachinensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron karvinskianus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron klamathensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron kuschei +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron lackschewitzii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron lanatus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron lassenianus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron lassenianus var. deficiens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron lassenianus var. lassenianus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron latus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron leibergii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron leiomerus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron lemmonii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron linearis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron lobatus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron lonchophyllus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron maguirei +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron mancus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron maniopotamicus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron mariposanus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron melanocephalus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron miser +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron modestus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron muirii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron multiceps +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron nanus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron nauseosus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron nematophyllus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron neomexicanus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron nivalis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron ochroleucus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron oreganus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron oreophilus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron ovinus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron oxyphyllus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron pallens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron parishii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron parryi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron peregrinus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron peregrinus var. peregrinus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron peregrinus var. thompsonii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron petrophilus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron petrophilus var. petrophilus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron petrophilus var. sierrensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron petrophilus var. viscidulus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron philadelphicus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron philadelphicus var. glaber +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron philadelphicus var. philadelphicus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron philadelphicus var. provancheri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron pinnatisectus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron piperianus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron piscaticus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron poliospermus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron poliospermus var. cereus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron poliospermus var. disciformis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron poliospermus var. poliospermus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron porsildii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron pringlei +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron procumbens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron pulchellus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron pulchellus var. brauniae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron pulchellus var. pulchellus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron pulchellus var. tolsteadii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron pulcherrimus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron pumilus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron pumilus var. intermedius +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron pumilus var. pumilus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron purpuratus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron pygmaeus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron quercifolius +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron radicatus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron reductus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron reductus var. angustatus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron reductus var. reductus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron religiosus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron rhizomatus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron robustior +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron rybius +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron rydbergii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron salishii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron salmonensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron sanctarum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron saxatilis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron sceptrifer +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron scopulinus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron serpentinus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron sionis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron sionis var. sionis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron sionis var. trilobatus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron sivinskii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron sparsifolius +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron speciosus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron strigosus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron strigosus var. calcicola +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron strigosus var. dolomiticola +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron strigosus var. septentrionalis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron strigosus var. strigosus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron subglaber +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron subtrinervis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron supplex +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron tenellus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron tener +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron tenuis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron tracyi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron trifidus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron tweedyi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron uintahensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron uncialis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron uncialis var. conjugans +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron uncialis var. uncialis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron uniflorus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron uniflorus var. eriocephalus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron untermannii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron ursinus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron utahensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron vagus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron velutipes +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron vernus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron versicolor +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron vetensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron vicinus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron vreelandii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron watsonii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron wilkenii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Erigeron yukonensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eriophyllum +
beaked  +
Eriophyllum ambiguum +
beaked  +
Eriophyllum ambiguum var. ambiguum +
beaked  +
Eriophyllum ambiguum var. paleaceum +
beaked  +
Eriophyllum confertiflorum +
beaked  +
Eriophyllum confertiflorum var. confertiflorum +
beaked  +
Eriophyllum confertiflorum var. tanacetiflorum +
beaked  +
Eriophyllum congdonii +
beaked  +
Eriophyllum jepsonii +
beaked  +
Eriophyllum lanatum +
beaked  +
Eriophyllum lanatum var. achilleoides +
beaked  +
Eriophyllum lanatum var. arachnoideum +
beaked  +
Eriophyllum lanatum var. croceum +
beaked  +
Eriophyllum lanatum var. grandiflorum +
beaked  +
Eriophyllum lanatum var. hallii +
beaked  +
Eriophyllum lanatum var. integrifolium +
beaked  +
Eriophyllum lanatum var. lanatum +
beaked  +
Eriophyllum lanatum var. lanceolatum +
beaked  +
Eriophyllum lanatum var. leucophyllum +
beaked  +
Eriophyllum lanatum var. obovatum +
beaked  +
Eriophyllum lanosum +
beaked  +
Eriophyllum latilobum +
beaked  +
Eriophyllum mohavense +
beaked  +
Eriophyllum multicaule +
beaked  +
Eriophyllum nubigenum +
beaked  +
Eriophyllum pringlei +
beaked  +
Eriophyllum staechadifolium +
beaked  +
Eriophyllum wallacei +
beaked  +
Eucephalus +
1-2-ribbed  +
Eucephalus breweri +
1-2-ribbed  +
Eucephalus elegans +
1-2-ribbed  +
Eucephalus engelmannii +
1-2-ribbed  +
Eucephalus glabratus +
1-2-ribbed  +
Eucephalus glaucescens +
1-2-ribbed  +
Eucephalus gormanii +
1-2-ribbed  +
Eucephalus ledophyllus +
1-2-ribbed  +
Eucephalus ledophyllus var. covillei +
1-2-ribbed  +
Eucephalus ledophyllus var. ledophyllus +
1-2-ribbed  +
Eucephalus paucicapitatus +
1-2-ribbed  +
Eucephalus tomentellus +
1-2-ribbed  +
Eucephalus vialis +
1-2-ribbed  +
Eupatorium +
5-ribbed  +
Eupatorium album +
5-ribbed  +
Eupatorium album var. album +
5-ribbed  +
Eupatorium album var. subvenosum +
5-ribbed  +
Eupatorium album var. vaseyi +
5-ribbed  +
Eupatorium altissimum +
5-ribbed  +
Eupatorium anomalum +
5-ribbed  +
Eupatorium cannabinum +
5-ribbed  +
Eupatorium capillifolium +
5-ribbed  +
Eupatorium compositifolium +
5-ribbed  +
Eupatorium godfreyanum +
5-ribbed  +
Eupatorium hyssopifolium +
5-ribbed  +
Eupatorium hyssopifolium var. hyssopifolium +
5-ribbed  +
Eupatorium hyssopifolium var. laciniatum +
5-ribbed  +
Eupatorium lancifolium +
5-ribbed  +
Eupatorium leptophyllum +
5-ribbed  +
Eupatorium leucolepis +
5-ribbed  +
Eupatorium leucolepis var. leucolepis +
5-ribbed  +
Eupatorium leucolepis var. novaeangliae +
5-ribbed  +
Eupatorium linearifolium +
5-ribbed  +
Eupatorium mikanioides +
5-ribbed  +
Eupatorium mohrii +
5-ribbed  +
Eupatorium perfoliatum +
5-ribbed  +
Eupatorium petaloideum +
5-ribbed  +
Eupatorium pilosum +
5-ribbed  +
Eupatorium resinosum +
5-ribbed  +
Eupatorium rotundifolium +
5-ribbed  +
Eupatorium rotundifolium var. ovatum +
5-ribbed  +
Eupatorium rotundifolium var. rotundifolium +
5-ribbed  +
Eupatorium rotundifolium var. scabridum +
5-ribbed  +
Eupatorium semiserratum +
5-ribbed  +
Eupatorium serotinum +
5-ribbed  +
Eupatorium sessilifolium +
5-ribbed  +
Eupatorium ×cordigerum +
5-ribbed  +
Eupatorium ×pinnatifidum +
5-ribbed  +
Eurybia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia avita +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia chlorolepis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia compacta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia conspicua +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia divaricata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia eryngiifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia furcata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia hemispherica +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia integrifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia jonesiae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia macrophylla +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia merita +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia mirabilis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia paludosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia radula +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia radulina +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia saxicastelli +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia schreberi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia sibirica +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia spectabilis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia spinulosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia surculosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eurybia ×herveyi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Euthamia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Euthamia caroliniana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Euthamia graminifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Euthamia gymnospermoides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Euthamia leptocephala +
beaked  +, 2-ribbed  +, 5-ribbed  +
Euthamia occidentalis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Eutrochium +
5-ribbed  +
Eutrochium dubium +
5-ribbed  +
Eutrochium fistulosum +
5-ribbed  +
Eutrochium maculatum +
5-ribbed  +
Eutrochium maculatum var. bruneri +
5-ribbed  +
Eutrochium maculatum var. foliosum +
5-ribbed  +
Eutrochium maculatum var. maculatum +
5-ribbed  +
Eutrochium purpureum +
5-ribbed  +
Eutrochium purpureum var. holzingeri +
5-ribbed  +
Eutrochium purpureum var. purpureum +
5-ribbed  +
Eutrochium steelei +
5-ribbed  +
F
Flaveria +
10-15-ribbed  +
Flaveria bidentis +
10-15-ribbed  +
Flaveria brownii +
10-15-ribbed  +
Flaveria campestris +
10-15-ribbed  +
Flaveria chlorifolia +
10-15-ribbed  +
Flaveria floridana +
10-15-ribbed  +
Flaveria linearis +
10-15-ribbed  +
Flaveria mcdougallii +
10-15-ribbed  +
Flaveria trinervia +
10-15-ribbed  +
Fleischmannia +
5(-8)-ribbed  +
Fleischmannia incarnata +
5(-8)-ribbed  +
Fleischmannia sonorae +
5(-8)-ribbed  +
Florestina +
beaked  +
Florestina tripteris +
beaked  +
Flourensia +
ribbed  +
Flourensia cernua +
ribbed  +
Flourensia pringlei +
ribbed  +
Flyriella +
4-5-ribbed  +
Flyriella parryi +
4-5-ribbed  +
G
Gaillardia +
beaked  +
Gaillardia aestivalis +
beaked  +
Gaillardia amblyodon +
beaked  +
Gaillardia aristata +
beaked  +
Gaillardia arizonica +
beaked  +
Gaillardia coahuilensis +
beaked  +
Gaillardia multiceps +
beaked  +
Gaillardia parryi +
beaked  +
Gaillardia pinnatifida +
beaked  +
Gaillardia pulchella +
beaked  +
Gaillardia spathulata +
beaked  +
Gaillardia suavis +
beaked  +
Galinsoga +
beaked  +
Galinsoga parviflora +
beaked  +
Galinsoga parviflora var. parviflora +
beaked  +
Galinsoga parviflora var. semicalva +
beaked  +
Galinsoga quadriradiata +
beaked  +
Garberia +
10-ribbed  +
Garberia heterophylla +
10-ribbed  +
Gazania +
not beaked  +
Gazania linearis +
not beaked  +
Geraea +
ribbed  +
Geraea canescens +
ribbed  +
Geraea viscida +
ribbed  +
Glyptopleura +
beaked  +
Glyptopleura marginata +
beaked  +
Glyptopleura setulosa +
beaked  +
Gochnatia +
ribbed  +, not beaked  +
Gochnatia hypoleuca +
ribbed  +, not beaked  +
Grindelia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia adenodonta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia arizonica +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia ciliata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia decumbens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia fraxinipratensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia grandiflora +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia havardii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia hirsutula +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia howellii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia integrifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia lanceolata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia microcephala +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia oxylepis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia oölepis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia pusilla +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia scabra +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia squarrosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Grindelia subalpina +
beaked  +, 2-ribbed  +, 5-ribbed  +
Guardiola +
beaked  +
Guardiola platyphylla +
beaked  +
Guizotia +
beaked  +
Guizotia abyssinica +
beaked  +
Gundlachia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gundlachia triantha +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gutierrezia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gutierrezia arizonica +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gutierrezia californica +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gutierrezia microcephala +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gutierrezia petradoria +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gutierrezia pomariensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gutierrezia sarothrae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gutierrezia serotina +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gutierrezia sphaerocephala +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gutierrezia texana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gutierrezia texana var. glutinosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gutierrezia texana var. texana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gutierrezia wrightii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gymnosperma +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gymnosperma glutinosum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Gynura +
beaked  +
Gynura aurantiaca +
beaked  +
H
Haploësthes +
10-15-ribbed  +
Haploësthes greggii +
10-15-ribbed  +
Haploësthes greggii var. texana +
10-15-ribbed  +
Harmonia +
beaked  +
Harmonia doris-nilesiae +
beaked  +
Harmonia guggolziorum +
beaked  +
Harmonia hallii +
beaked  +
Harmonia nutans +
beaked  +
Harmonia stebbinsii +
beaked  +
Hartwrightia +
beaked  +
Hartwrightia floridana +
beaked  +
Hasteola +
8-12-ribbed  +
Hasteola robertiorum +
8-12-ribbed  +
Hasteola suaveolens +
8-12-ribbed  +
Hazardia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Hazardia brickellioides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Hazardia cana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Hazardia detonsa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Hazardia orcuttii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Hazardia squarrosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Hazardia squarrosa var. grindelioides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Hazardia squarrosa var. obtusa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Hazardia squarrosa var. squarrosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Hazardia stenolepis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Hazardia whitneyi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Hazardia whitneyi var. discoidea +
beaked  +, 2-ribbed  +, 5-ribbed  +
Hazardia whitneyi var. whitneyi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Hecastocleis +
not beaked  +
Hecastocleis shockleyi +
not beaked  +
Hedosyne +
beaked  +
Hedosyne ambrosiifolia +
beaked  +
Hedypnois +
not beaked  +
Hedypnois cretica +
not beaked  +
Helenium +
beaked  +
Helenium amarum +
beaked  +
Helenium amarum var. amarum +
beaked  +
Helenium amarum var. badium +
beaked  +
Helenium arizonicum +
beaked  +
Helenium autumnale +
beaked  +
Helenium bigelovii +
beaked  +
Helenium bolanderi +
beaked  +
Helenium brevifolium +
beaked  +
Helenium campestre +
beaked  +
Helenium drummondii +
beaked  +
Helenium elegans +
beaked  +
Helenium elegans var. amphibolum +
beaked  +
Helenium elegans var. elegans +
beaked  +
Helenium flexuosum +
beaked  +
Helenium linifolium +
beaked  +
Helenium microcephalum +
beaked  +
Helenium microcephalum var. microcephalum +
beaked  +
Helenium microcephalum var. oöclinium +
beaked  +
Helenium pinnatifidum +
beaked  +
Helenium puberulum +
beaked  +
Helenium quadridentatum +
beaked  +
Helenium thurberi +
beaked  +
Helenium vernale +
beaked  +
Helenium virginicum +
beaked  +
Helianthella +
ribbed  +
Helianthella californica +
ribbed  +
Helianthella californica subsp. californica +
ribbed  +
Helianthella californica subsp. nevadensis +
ribbed  +
Helianthella californica subsp. shastensis +
ribbed  +
Helianthella castanea +
ribbed  +
Helianthella microcephala +
ribbed  +
Helianthella parryi +
ribbed  +
Helianthella quinquenervis +
ribbed  +
Helianthella uniflora +
ribbed  +
Helianthus +
beaked  +
Helianthus agrestis +
beaked  +
Helianthus angustifolius +
beaked  +
Helianthus annuus +
beaked  +
Helianthus anomalus +
beaked  +
Helianthus argophyllus +
beaked  +
Helianthus arizonensis +
beaked  +
Helianthus atrorubens +
beaked  +
Helianthus bolanderi +
beaked  +
Helianthus californicus +
beaked  +
Helianthus carnosus +
beaked  +
Helianthus ciliaris +
beaked  +
Helianthus cusickii +
beaked  +
Helianthus debilis +
beaked  +
Helianthus debilis subsp. cucumerifolius +
beaked  +
Helianthus debilis subsp. debilis +
beaked  +
Helianthus debilis subsp. silvestris +
beaked  +
Helianthus debilis subsp. tardiflorus +
beaked  +
Helianthus debilis subsp. vestitus +
beaked  +
Helianthus decapetalus +
beaked  +
Helianthus deserticola +
beaked  +
Helianthus divaricatus +
beaked  +
Helianthus eggertii +
beaked  +
Helianthus exilis +
beaked  +
Helianthus floridanus +
beaked  +
Helianthus giganteus +
beaked  +
Helianthus glaucophyllus +
beaked  +
Helianthus gracilentus +
beaked  +
Helianthus grosseserratus +
beaked  +
Helianthus heterophyllus +
beaked  +
Helianthus hirsutus +
beaked  +
Helianthus laciniatus +
beaked  +
Helianthus laevigatus +
beaked  +
Helianthus longifolius +
beaked  +
Helianthus maximiliani +
beaked  +
Helianthus microcephalus +
beaked  +
Helianthus mollis +
beaked  +
Helianthus neglectus +
beaked  +
Helianthus niveus +
beaked  +
Helianthus niveus subsp. tephrodes +
beaked  +
Helianthus nuttallii +
beaked  +
Helianthus nuttallii subsp. nuttallii +
beaked  +
Helianthus nuttallii subsp. parishii +
beaked  +
Helianthus nuttallii subsp. rydbergii +
beaked  +
Helianthus occidentalis +
beaked  +
Helianthus occidentalis subsp. occidentalis +
beaked  +
Helianthus occidentalis subsp. plantagineus +
beaked  +
Helianthus paradoxus +
beaked  +
Helianthus pauciflorus +
beaked  +
Helianthus pauciflorus subsp. pauciflorus +
beaked  +
Helianthus pauciflorus subsp. subrhomboideus +
beaked  +
Helianthus petiolaris +
beaked  +
Helianthus petiolaris subsp. fallax +
beaked  +
Helianthus petiolaris subsp. petiolaris +
beaked  +
Helianthus porteri +
beaked  +
Helianthus praecox +
beaked  +
Helianthus praecox subsp. hirtus +
beaked  +
Helianthus praecox subsp. praecox +
beaked  +
Helianthus praecox subsp. runyonii +
beaked  +
Helianthus pumilus +
beaked  +
Helianthus radula +
beaked  +
Helianthus resinosus +
beaked  +
Helianthus salicifolius +
beaked  +
Helianthus schweinitzii +
beaked  +
Helianthus silphioides +
beaked  +
Helianthus simulans +
beaked  +
Helianthus smithii +
beaked  +
Helianthus strumosus +
beaked  +
Helianthus tuberosus +
beaked  +
Helianthus verticillatus +
beaked  +
Helianthus ×laetiflorus +
beaked  +
Heliomeris +
beaked  +
Heliomeris hispida +
beaked  +
Heliomeris longifolia +
beaked  +
Heliomeris longifolia var. annua +
beaked  +
Heliomeris longifolia var. longifolia +
beaked  +
Heliomeris multiflora +
beaked  +
Heliomeris multiflora var. brevifolia +
beaked  +
Heliomeris multiflora var. multiflora +
beaked  +
Heliomeris multiflora var. nevadensis +
beaked  +
Heliomeris soliceps +
beaked  +
Heliopsis +
ribbed  +
Heliopsis gracilis +
ribbed  +
Heliopsis helianthoides +
ribbed  +
Heliopsis helianthoides var. helianthoides +
ribbed  +
Heliopsis helianthoides var. scabra +
ribbed  +
Heliopsis parvifolia +
ribbed  +
Hemizonella +
beaked  +
Hemizonella minima +
beaked  +
Hemizonia +
beaked  +
Hemizonia congesta +
beaked  +
Hemizonia congesta subsp. calyculata +
beaked  +
Hemizonia congesta subsp. clevelandii +
beaked  +
Hemizonia congesta subsp. congesta +
beaked  +
Hemizonia congesta subsp. lutescens +
beaked  +
Hemizonia congesta subsp. luzulifolia +
beaked  +
Hemizonia congesta subsp. tracyi +
beaked  +
Herrickia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Herrickia glauca +
beaked  +, 2-ribbed  +, 5-ribbed  +
Herrickia glauca var. glauca +
beaked  +, 2-ribbed  +, 5-ribbed  +
Herrickia glauca var. pulchra +
beaked  +, 2-ribbed  +, 5-ribbed  +
Herrickia horrida +
beaked  +, 2-ribbed  +, 5-ribbed  +
Herrickia kingii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Herrickia kingii var. barnebyana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Herrickia kingii var. kingii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Herrickia wasatchensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Heterosperma +
beaked  +
Heterosperma pinnatum +
beaked  +
Heterotheca +
4-12-ribbed  +
Heterotheca camporum +
4-12-ribbed  +
Heterotheca camporum var. camporum +
4-12-ribbed  +
Heterotheca camporum var. glandulissima +
4-12-ribbed  +
Heterotheca canescens +
4-12-ribbed  +
Heterotheca fulcrata +
4-12-ribbed  +
Heterotheca fulcrata var. amplifolia +
4-12-ribbed  +
Heterotheca fulcrata var. arizonica +
4-12-ribbed  +
Heterotheca fulcrata var. fulcrata +
4-12-ribbed  +
Heterotheca fulcrata var. senilis +
4-12-ribbed  +
Heterotheca grandiflora +
4-12-ribbed  +
Heterotheca jonesii +
4-12-ribbed  +
Heterotheca marginata +
4-12-ribbed  +
Heterotheca monarchensis +
4-12-ribbed  +
Heterotheca oregona +
4-12-ribbed  +
Heterotheca oregona var. compacta +
4-12-ribbed  +
Heterotheca oregona var. oregona +
4-12-ribbed  +
Heterotheca oregona var. rudis +
4-12-ribbed  +
Heterotheca oregona var. scaberrima +
4-12-ribbed  +
Heterotheca pumila +
4-12-ribbed  +
Heterotheca rutteri +
4-12-ribbed  +
Heterotheca sessiliflora +
4-12-ribbed  +
Heterotheca sessiliflora subsp. bolanderi +
4-12-ribbed  +
Heterotheca sessiliflora subsp. echioides +
4-12-ribbed  +
Heterotheca sessiliflora subsp. fastigiata +
4-12-ribbed  +
Heterotheca sessiliflora subsp. sessiliflora +
4-12-ribbed  +
Heterotheca shevockii +
4-12-ribbed  +
Heterotheca stenophylla +
4-12-ribbed  +
Heterotheca stenophylla var. angustifolia +
4-12-ribbed  +
Heterotheca stenophylla var. stenophylla +
4-12-ribbed  +
Heterotheca subaxillaris +
4-12-ribbed  +
Heterotheca subaxillaris subsp. latifolia +
4-12-ribbed  +
Heterotheca subaxillaris subsp. subaxillaris +
4-12-ribbed  +
Heterotheca villosa +
4-12-ribbed  +
Heterotheca villosa var. ballardii +
4-12-ribbed  +
Heterotheca villosa var. depressa +
4-12-ribbed  +
Heterotheca villosa var. foliosa +
4-12-ribbed  +
Heterotheca villosa var. minor +
4-12-ribbed  +
Heterotheca villosa var. nana +
4-12-ribbed  +
Heterotheca villosa var. pedunculata +
4-12-ribbed  +
Heterotheca villosa var. scabra +
4-12-ribbed  +
Heterotheca villosa var. sierrablancensis +
4-12-ribbed  +
Heterotheca villosa var. villosa +
4-12-ribbed  +
Heterotheca viscida +
4-12-ribbed  +
Heterotheca zionensis +
4-12-ribbed  +
Hieracium +
beaked  +
Hieracium abscissum +
beaked  +
Hieracium albiflorum +
beaked  +
Hieracium alpinum +
beaked  +
Hieracium argutum +
beaked  +
Hieracium aurantiacum +
beaked  +
Hieracium bolanderi +
beaked  +
Hieracium brevipilum +
beaked  +
Hieracium caespitosum +
beaked  +
Hieracium carneum +
beaked  +
Hieracium crepidispermum +
beaked  +
Hieracium fendleri +
beaked  +
Hieracium flagellare +
beaked  +
Hieracium greenei +
beaked  +
Hieracium gronovii +
beaked  +
Hieracium horridum +
beaked  +
Hieracium lactucella +
beaked  +
Hieracium longiberbe +
beaked  +
Hieracium longipilum +
beaked  +
Hieracium megacephalon +
beaked  +
Hieracium murorum +
beaked  +
Hieracium nudicaule +
beaked  +
Hieracium paniculatum +
beaked  +
Hieracium parryi +
beaked  +
Hieracium pilosella +
beaked  +
Hieracium piloselloides +
beaked  +
Hieracium pringlei +
beaked  +
Hieracium robinsonii +
beaked  +
Hieracium sabaudum +
beaked  +
Hieracium scabrum +
beaked  +
Hieracium schultzii +
beaked  +
Hieracium scouleri +
beaked  +
Hieracium traillii +
beaked  +
Hieracium triste +
beaked  +
Hieracium umbellatum +
beaked  +
Hieracium venosum +
beaked  +
Hieracium vulgatum +
beaked  +
Holocarpha +
beaked  +
Holocarpha heermannii +
beaked  +
Holocarpha macradenia +
beaked  +
Holocarpha obconica +
beaked  +
Holocarpha virgata +
beaked  +
Holocarpha virgata subsp. elongata +
beaked  +
Holocarpha virgata subsp. virgata +
beaked  +
Holozonia +
beaked  +
Holozonia filipes +
beaked  +
Hulsea +
beaked  +
Hulsea algida +
beaked  +
Hulsea brevifolia +
beaked  +
Hulsea californica +
beaked  +
Hulsea heterochroma +
beaked  +
Hulsea mexicana +
beaked  +
Hulsea nana +
beaked  +
Hulsea vestita +
beaked  +
Hulsea vestita subsp. callicarpha +
beaked  +
Hulsea vestita subsp. gabrielensis +
beaked  +
Hulsea vestita subsp. inyoensis +
beaked  +
Hulsea vestita subsp. parryi +
beaked  +
Hulsea vestita subsp. pygmaea +
beaked  +
Hulsea vestita subsp. vestita +
beaked  +
Hymenopappus +
12-16-ribbed  +
Hymenopappus artemisiifolius +
12-16-ribbed  +
Hymenopappus artemisiifolius var. artemisiifolius +
12-16-ribbed  +
Hymenopappus artemisiifolius var. riograndensis +
12-16-ribbed  +
Hymenopappus biennis +
12-16-ribbed  +
Hymenopappus carrizoanus +
12-16-ribbed  +
Hymenopappus filifolius +
12-16-ribbed  +
Hymenopappus filifolius var. cinereus +
12-16-ribbed  +
Hymenopappus filifolius var. eriopodus +
12-16-ribbed  +
Hymenopappus filifolius var. filifolius +
12-16-ribbed  +
Hymenopappus filifolius var. idahoensis +
12-16-ribbed  +
Hymenopappus filifolius var. lugens +
12-16-ribbed  +
Hymenopappus filifolius var. luteus +
12-16-ribbed  +
Hymenopappus filifolius var. megacephalus +
12-16-ribbed  +
Hymenopappus filifolius var. nanus +
12-16-ribbed  +
Hymenopappus filifolius var. nudipes +
12-16-ribbed  +
Hymenopappus filifolius var. parvulus +
12-16-ribbed  +
Hymenopappus filifolius var. pauciflorus +
12-16-ribbed  +
Hymenopappus filifolius var. polycephalus +
12-16-ribbed  +
Hymenopappus filifolius var. tomentosus +
12-16-ribbed  +
Hymenopappus flavescens +
12-16-ribbed  +
Hymenopappus flavescens var. canotomentosus +
12-16-ribbed  +
Hymenopappus flavescens var. flavescens +
12-16-ribbed  +
Hymenopappus mexicanus +
12-16-ribbed  +
Hymenopappus newberryi +
12-16-ribbed  +
Hymenopappus radiatus +
12-16-ribbed  +
Hymenopappus scabiosaeus +
12-16-ribbed  +
Hymenopappus scabiosaeus var. corymbosus +
12-16-ribbed  +
Hymenopappus scabiosaeus var. scabiosaeus +
12-16-ribbed  +
Hymenopappus tenuifolius +
12-16-ribbed  +
Hymenothrix +
beaked  +
Hymenothrix loomisii +
beaked  +
Hymenothrix wislizeni +
beaked  +
Hymenothrix wrightii +
beaked  +
Hymenoxys +
beaked  +
Hymenoxys ambigens +
beaked  +
Hymenoxys ambigens var. ambigens +
beaked  +
Hymenoxys ambigens var. floribunda +
beaked  +
Hymenoxys ambigens var. neomexicana +
beaked  +
Hymenoxys bigelovii +
beaked  +
Hymenoxys brachyactis +
beaked  +
Hymenoxys brandegeei +
beaked  +
Hymenoxys cooperi +
beaked  +
Hymenoxys grandiflora +
beaked  +
Hymenoxys helenioides +
beaked  +
Hymenoxys hoopesii +
beaked  +
Hymenoxys jamesii +
beaked  +
Hymenoxys lemmonii +
beaked  +
Hymenoxys odorata +
beaked  +
Hymenoxys quinquesquamata +
beaked  +
Hymenoxys richardsonii +
beaked  +
Hymenoxys richardsonii var. floribunda +
beaked  +
Hymenoxys richardsonii var. richardsonii +
beaked  +
Hymenoxys rusbyi +
beaked  +
Hymenoxys subintegra +
beaked  +
Hymenoxys texana +
beaked  +
Hymenoxys vaseyi +
beaked  +
Hypochaeris chillensis +
beaked  +
Hypochaeris microcephala var. albiflora +
beaked  +
Hypochaeris radicata +
beaked  +
I
Inula +
not beaked  +
Inula britannica +
not beaked  +
Inula helenium +
not beaked  +
Inula salicina +
not beaked  +
Ionactis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Ionactis alpina +
beaked  +, 2-ribbed  +, 5-ribbed  +
Ionactis caelestis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Ionactis elegans +
beaked  +, 2-ribbed  +, 5-ribbed  +
Ionactis linariifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Ionactis stenomeres +
beaked  +, 2-ribbed  +, 5-ribbed  +
Isocarpha +
5-ribbed  +
Isocarpha oppositifolia +
5-ribbed  +
Isocarpha oppositifolia var. achyranthes +
5-ribbed  +
Isocoma +
5-11-ribbed  +
Isocoma acradenia +
5-11-ribbed  +
Isocoma acradenia var. acradenia +
5-11-ribbed  +
Isocoma acradenia var. bracteosa +
5-11-ribbed  +
Isocoma acradenia var. eremophila +
5-11-ribbed  +
Isocoma arguta +
5-11-ribbed  +
Isocoma azteca +
5-11-ribbed  +
Isocoma coronopifolia +
5-11-ribbed  +
Isocoma drummondii +
5-11-ribbed  +
Isocoma humilis +
5-11-ribbed  +
Isocoma menziesii +
5-11-ribbed  +
Isocoma menziesii var. decumbens +
5-11-ribbed  +
Isocoma menziesii var. diabolica +
5-11-ribbed  +
Isocoma menziesii var. menziesii +
5-11-ribbed  +
Isocoma menziesii var. sedoides +
5-11-ribbed  +
Isocoma menziesii var. vernonioides +
5-11-ribbed  +
Isocoma pluriflora +
5-11-ribbed  +
Isocoma rusbyi +
5-11-ribbed  +
Isocoma tenuisecta +
5-11-ribbed  +
Iva +
beaked  +
Iva angustifolia +
beaked  +
Iva annua +
beaked  +
Iva axillaris +
beaked  +
Iva frutescens +
beaked  +
Iva hayesiana +
beaked  +
Iva imbricata +
beaked  +
Iva microcephala +
beaked  +
J
Jamesianthus +
beaked  +
Jamesianthus alabamensis +
beaked  +
Jaumea +
10-ribbed  +
Jaumea carnosa +
10-ribbed  +
Jefea +
ribbed  +
Jefea brevifolia +
ribbed  +
Jensia +
beaked  +
Jensia rammii +
beaked  +
Jensia yosemitana +
beaked  +
K
Koanophyllon +
5-ribbed  +
Koanophyllon palmeri +
5-ribbed  +
Koanophyllon solidaginifolium +
5-ribbed  +
Koanophyllon villosum +
5-ribbed  +
Krigia +
not beaked  +
Krigia biflora +
12-15-ribbed  +
Krigia cespitosa +
15-ribbed  +
Krigia cespitosa var. cespitosa +
15-ribbed  +
Krigia cespitosa var. gracilis +
15-ribbed  +
Krigia dandelion +
10-15-ribbed  +
Krigia montana +
12-15-ribbed  +
Krigia occidentalis +
10-15-ribbed  +
Krigia virginica +
15-20-ribbed  +
Krigia wrightii +
15-ribbed  +
Kyhosia +
beaked  +
Kyhosia bolanderi +
beaked  +
L
Lagascea +
beaked  +
Lagascea decipiens +
beaked  +
Lagascea decipiens var. decipiens +
beaked  +
Lagophylla +
beaked  +
Lagophylla dichotoma +
beaked  +
Lagophylla glandulosa +
beaked  +
Lagophylla minor +
beaked  +
Lagophylla ramosissima +
beaked  +
Lapsana +
20-ribbed  +, not beaked  +
Lapsana communis +
20-ribbed  +, not beaked  +
Lapsanastrum +
not beaked  +
Lapsanastrum apogonoides +
not beaked  +
Lasianthaea +
ribbed  +
Lasianthaea podocephala +
ribbed  +
Lasthenia +
beaked  +
Lasthenia burkei +
beaked  +
Lasthenia californica +
beaked  +
Lasthenia californica subsp. bakeri +
beaked  +
Lasthenia californica subsp. californica +
beaked  +
Lasthenia californica subsp. macrantha +
beaked  +
Lasthenia chrysantha +
beaked  +
Lasthenia conjugens +
beaked  +
Lasthenia coronaria +
beaked  +
Lasthenia debilis +
beaked  +
Lasthenia ferrisiae +
beaked  +
Lasthenia fremontii +
beaked  +
Lasthenia glaberrima +
beaked  +
Lasthenia glabrata +
beaked  +
Lasthenia glabrata subsp. coulteri +
beaked  +
Lasthenia glabrata subsp. glabrata +
beaked  +
Lasthenia gracilis +
beaked  +
Lasthenia leptalea +
beaked  +
Lasthenia maritima +
beaked  +
Lasthenia microglossa +
beaked  +
Lasthenia minor +
beaked  +
Lasthenia ornduffii +
beaked  +
Lasthenia platycarpha +
beaked  +
Lasthenia sect. Amphiachaenia +
beaked  +
Lasthenia sect. Burrielia +
beaked  +
Lasthenia sect. Hologymne +
beaked  +
Lasthenia sect. Lasthenia +
beaked  +
Lasthenia sect. Ornduffia +
beaked  +
Lasthenia sect. Platycarpha +
beaked  +
Lasthenia sect. Ptilomeris +
beaked  +
Layia +
beaked  +
Layia carnosa +
beaked  +
Layia chrysanthemoides +
beaked  +
Layia discoidea +
beaked  +
Layia fremontii +
beaked  +
Layia gaillardioides +
beaked  +
Layia glandulosa +
beaked  +
Layia heterotricha +
beaked  +
Layia hieracioides +
beaked  +
Layia jonesii +
beaked  +
Layia leucopappa +
beaked  +
Layia munzii +
beaked  +
Layia pentachaeta +
beaked  +
Layia pentachaeta subsp. albida +
beaked  +
Layia pentachaeta subsp. pentachaeta +
beaked  +
Layia platyglossa +
beaked  +
Layia septentrionalis +
beaked  +
Laënnecia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Laënnecia coulteri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Laënnecia eriophylla +
beaked  +, 2-ribbed  +, 5-ribbed  +
Laënnecia filaginoides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Laënnecia schiedeana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Laënnecia sophiifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Laënnecia turnerorum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Leibnitzia +
beaked  +
Leibnitzia lyrata +
beaked  +
Leontodon +
beaked  +, not beaked  +
Leontodon autumnalis +
beaked  +, not beaked  +
Leontodon hispidus +
beaked  +, not beaked  +
Leontodon saxatilis +
beaked  +, not beaked  +
Leontodon saxatilis subsp. longirostris +
beaked  +, not beaked  +
Leontodon saxatilis subsp. saxatilis +
beaked  +, not beaked  +
Lepidospartum +
beaked  +
Lepidospartum burgessii +
beaked  +
Lepidospartum latisquamum +
beaked  +
Lepidospartum squamatum +
beaked  +
Lessingia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia arachnoidea +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia germanorum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia glandulifera +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia glandulifera var. glandulifera +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia glandulifera var. peirsonii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia glandulifera var. tomentosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia hololeuca +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia leptoclada +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia micradenia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia micradenia var. glabrata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia micradenia var. micradenia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia nana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia nemaclada +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia pectinata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia pectinata var. pectinata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia pectinata var. tenuipes +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia ramulosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia tenuis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Lessingia virgata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Leuciva +
beaked  +
Leuciva dealbata +
beaked  +
Liatris +
8-11-ribbed  +
Liatris acidota +
8-11-ribbed  +
Liatris aestivalis +
8-11-ribbed  +
Liatris aspera +
8-11-ribbed  +
Liatris bracteata +
8-11-ribbed  +
Liatris chapmanii +
8-11-ribbed  +
Liatris cokeri +
8-11-ribbed  +
Liatris compacta +
8-11-ribbed  +
Liatris cylindracea +
8-11-ribbed  +
Liatris cymosa +
8-11-ribbed  +
Liatris elegans +
8-11-ribbed  +
Liatris elegans var. bridgesii +
8-11-ribbed  +
Liatris elegans var. carizzana +
8-11-ribbed  +
Liatris elegans var. elegans +
8-11-ribbed  +
Liatris elegans var. kralii +
8-11-ribbed  +
Liatris elegantula +
8-11-ribbed  +
Liatris garberi +
8-11-ribbed  +
Liatris gholsonii +
8-11-ribbed  +
Liatris glandulosa +
8-11-ribbed  +
Liatris gracilis +
8-11-ribbed  +
Liatris helleri +
8-11-ribbed  +
Liatris hirsuta +
8-11-ribbed  +
Liatris laevigata +
8-11-ribbed  +
Liatris lancifolia +
8-11-ribbed  +
Liatris ligulistylis +
8-11-ribbed  +
Liatris microcephala +
8-11-ribbed  +
Liatris ohlingerae +
8-11-ribbed  +
Liatris oligocephala +
8-11-ribbed  +
Liatris patens +
8-11-ribbed  +
Liatris pauciflora +
8-11-ribbed  +
Liatris pauciflora var. pauciflora +
8-11-ribbed  +
Liatris pauciflora var. secunda +
8-11-ribbed  +
Liatris pilosa +
8-11-ribbed  +
Liatris provincialis +
8-11-ribbed  +
Liatris punctata +
8-11-ribbed  +
Liatris punctata var. mexicana +
8-11-ribbed  +
Liatris punctata var. mucronata +
8-11-ribbed  +
Liatris punctata var. punctata +
8-11-ribbed  +
Liatris pycnostachya +
8-11-ribbed  +
Liatris pycnostachya var. lasiophylla +
8-11-ribbed  +
Liatris pycnostachya var. pycnostachya +
8-11-ribbed  +
Liatris savannensis +
8-11-ribbed  +
Liatris scariosa +
8-11-ribbed  +
Liatris scariosa var. nieuwlandii +
8-11-ribbed  +
Liatris scariosa var. novaeangliae +
8-11-ribbed  +
Liatris scariosa var. scariosa +
8-11-ribbed  +
Liatris spicata +
8-11-ribbed  +
Liatris spicata var. resinosa +
8-11-ribbed  +
Liatris spicata var. spicata +
8-11-ribbed  +
Liatris squarrosa +
8-11-ribbed  +
Liatris squarrosa var. glabrata +
8-11-ribbed  +
Liatris squarrosa var. squarrosa +
8-11-ribbed  +
Liatris squarrulosa +
8-11-ribbed  +
Liatris tenuifolia +
8-11-ribbed  +
Liatris tenuis +
8-11-ribbed  +
Liatris virgata +
8-11-ribbed  +
Ligularia +
beaked  +
Ligularia dentata +
beaked  +
Lindheimera +
ribbed  +
Lindheimera texana +
ribbed  +
Lorandersonia +
4-12-ribbed  +
Lorandersonia baileyi +
ribbed  +
Lorandersonia linifolia +
10-12-ribbed  +
Lorandersonia microcephala +
ribbed  +
Lorandersonia peirsonii +
4-12-ribbed  +
Lorandersonia pulchella +
ribbed  +
Lorandersonia salicina +
ribbed  +
Lorandersonia spathulata +
ribbed  +
Luina +
beaked  +
Luina hypoleuca +
beaked  +
Luina serpentina +
beaked  +
M
Machaeranthera +
8-18-ribbed  +
Machaeranthera tagetina +
8-18-ribbed  +
Machaeranthera tanacetifolia +
8-18-ribbed  +
Madia +
beaked  +
Madia anomala +
beaked  +
Madia citrigracilis +
beaked  +
Madia citriodora +
beaked  +
Madia elegans +
beaked  +
Madia exigua +
beaked  +
Madia glomerata +
beaked  +
Madia gracilis +
beaked  +
Madia radiata +
beaked  +
Madia sativa +
beaked  +
Madia subspicata +
beaked  +
Malacothrix +
not beaked  +
Malacothrix californica +
not beaked  +
Malacothrix clevelandii +
not beaked  +
Malacothrix coulteri +
not beaked  +
Malacothrix fendleri +
not beaked  +
Malacothrix floccifera +
not beaked  +
Malacothrix foliosa +
not beaked  +
Malacothrix foliosa subsp. crispifolia +
not beaked  +
Malacothrix foliosa subsp. foliosa +
not beaked  +
Malacothrix foliosa subsp. philbrickii +
not beaked  +
Malacothrix foliosa subsp. polycephala +
not beaked  +
Malacothrix glabrata +
not beaked  +
Malacothrix incana +
not beaked  +
Malacothrix indecora +
not beaked  +
Malacothrix junakii +
not beaked  +
Malacothrix phaeocarpa +
not beaked  +
Malacothrix saxatilis +
not beaked  +
Malacothrix saxatilis var. arachnoidea +
not beaked  +
Malacothrix saxatilis var. commutata +
not beaked  +
Malacothrix saxatilis var. implicata +
not beaked  +
Malacothrix saxatilis var. saxatilis +
not beaked  +
Malacothrix saxatilis var. tenuifolia +
not beaked  +
Malacothrix similis +
not beaked  +
Malacothrix sonchoides +
not beaked  +
Malacothrix sonorae +
not beaked  +
Malacothrix squalida +
not beaked  +
Malacothrix stebbinsii +
not beaked  +
Malacothrix torreyi +
not beaked  +
Malperia +
5-ribbed  +
Malperia tenuis +
5-ribbed  +
Mantisalca +
beaked  +
Mantisalca salmantica +
beaked  +
Marshallia +
beaked  +
Marshallia caespitosa +
beaked  +
Marshallia graminifolia +
beaked  +
Marshallia grandiflora +
beaked  +
Marshallia mohrii +
beaked  +
Marshallia obovata +
beaked  +
Marshallia ramosa +
beaked  +
Marshallia trinervia +
beaked  +
Melampodium +
beaked  +
Melampodium appendiculatum +
beaked  +
Melampodium cinereum +
beaked  +
Melampodium divaricatum +
beaked  +
Melampodium leucanthum +
beaked  +
Melampodium longicorne +
beaked  +
Melampodium perfoliatum +
beaked  +
Melampodium strigosum +
beaked  +
Melanthera +
ribbed  +
Melanthera angustifolia +
ribbed  +
Melanthera nivea +
ribbed  +
Melanthera parvifolia +
ribbed  +
Mikania +
[4-]5[-10]-ribbed  +
Mikania batatifolia +
[4-]5[-10]-ribbed  +
Mikania cordifolia +
[4-]5[-10]-ribbed  +
Mikania scandens +
[4-]5[-10]-ribbed  +
Monolopia +
beaked  +
Monolopia congdonii +
beaked  +
Monolopia gracilens +
beaked  +
Monolopia lanceolata +
beaked  +
Monolopia major +
beaked  +
Monolopia stricta +
beaked  +
Monoptilon +
2-ribbed  +
Monoptilon bellidiforme +
2-ribbed  +
Monoptilon bellioides +
2-ribbed  +
N
Neonesomia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Neonesomia palmeri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Nestotus +
ribbed  +
Nestotus macleanii +
ribbed  +
Nestotus stenophyllus +
ribbed  +
Nicolletia +
beaked  +
Nicolletia edwardsii +
beaked  +
Nicolletia occidentalis +
beaked  +
Nothocalaïs +
not beaked  +
Nothocalaïs alpestris +
not beaked  +
Nothocalaïs cuspidata +
not beaked  +
Nothocalaïs nigrescens +
not beaked  +
Nothocalaïs troximoides +
not beaked  +
O
Oclemena +
beaked  +, 2-ribbed  +, 5-ribbed  +
Oclemena acuminata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Oclemena nemoralis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Oclemena reticulata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Oclemena ×blakei +
beaked  +, 2-ribbed  +, 5-ribbed  +
Onopordum +
beaked  +
Onopordum acanthium +
beaked  +
Onopordum acanthium subsp. acanthium +
beaked  +
Onopordum illyricum +
beaked  +
Onopordum tauricum +
beaked  +
Oreochrysum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Oreochrysum parryi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Oreostemma +
beaked  +, 2-ribbed  +, 5-ribbed  +
Oreostemma alpigenum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Oreostemma alpigenum var. alpigenum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Oreostemma alpigenum var. andersonii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Oreostemma alpigenum var. haydenii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Oreostemma elatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Oreostemma peirsonii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Orochaenactis +
ribbed  +
Orochaenactis thysanocarpha +
ribbed  +
Osmadenia +
beaked  +
Osmadenia tenella +
beaked  +
Osteospermum +
beaked  +
Osteospermum ecklonis +
beaked  +
Osteospermum spinescens +
beaked  +
Oxytenia +
beaked  +
Oxytenia acerosa +
beaked  +
Oönopsis +
5(-8)-ribbed  +
Oönopsis engelmannii +
5(-8)-ribbed  +
Oönopsis foliosa +
5(-8)-ribbed  +
Oönopsis foliosa var. foliosa +
5(-8)-ribbed  +
Oönopsis foliosa var. monocephala +
5(-8)-ribbed  +
Oönopsis multicaulis +
5(-8)-ribbed  +
Oönopsis wardii +
5(-8)-ribbed  +
P
Packera +
5-10-ribbed  +
Packera anonyma +
5-10-ribbed  +
Packera antennariifolia +
5-10-ribbed  +
Packera aurea +
5-10-ribbed  +
Packera bernardina +
5-10-ribbed  +
Packera bolanderi +
5-10-ribbed  +
Packera bolanderi var. bolanderi +
5-10-ribbed  +
Packera bolanderi var. harfordii +
5-10-ribbed  +
Packera breweri +
5-10-ribbed  +
Packera cana +
5-10-ribbed  +
Packera cardamine +
5-10-ribbed  +
Packera castoreus +
5-10-ribbed  +
Packera clevelandii +
5-10-ribbed  +
Packera contermina +
5-10-ribbed  +
Packera crocata +
5-10-ribbed  +
Packera cymbalaria +
5-10-ribbed  +
Packera cynthioides +
5-10-ribbed  +
Packera debilis +
5-10-ribbed  +
Packera dimorphophylla +
5-10-ribbed  +
Packera dimorphophylla var. dimorphophylla +
5-10-ribbed  +
Packera dimorphophylla var. intermedia +
5-10-ribbed  +
Packera dimorphophylla var. paysonii +
5-10-ribbed  +
Packera eurycephala +
5-10-ribbed  +
Packera eurycephala var. eurycephala +
5-10-ribbed  +
Packera eurycephala var. lewisrosei +
5-10-ribbed  +
Packera fendleri +
5-10-ribbed  +
Packera flettii +
5-10-ribbed  +
Packera franciscana +
5-10-ribbed  +
Packera ganderi +
5-10-ribbed  +
Packera glabella +
5-10-ribbed  +
Packera greenei +
5-10-ribbed  +
Packera hartiana +
5-10-ribbed  +
Packera hesperia +
5-10-ribbed  +
Packera hyperborealis +
5-10-ribbed  +
Packera indecora +
5-10-ribbed  +
Packera ionophylla +
5-10-ribbed  +
Packera layneae +
5-10-ribbed  +
Packera macounii +
5-10-ribbed  +
Packera malmstenii +
5-10-ribbed  +
Packera millefolium +
5-10-ribbed  +
Packera millelobata +
5-10-ribbed  +
Packera multilobata +
5-10-ribbed  +
Packera musiniensis +
5-10-ribbed  +
Packera neomexicana +
5-10-ribbed  +
Packera neomexicana var. mutabilis +
5-10-ribbed  +
Packera neomexicana var. neomexicana +
5-10-ribbed  +
Packera neomexicana var. toumeyi +
5-10-ribbed  +
Packera obovata +
5-10-ribbed  +
Packera ogotorukensis +
5-10-ribbed  +
Packera pauciflora +
5-10-ribbed  +
Packera paupercula +
5-10-ribbed  +
Packera plattensis +
5-10-ribbed  +
Packera porteri +
5-10-ribbed  +
Packera pseudaurea +
5-10-ribbed  +
Packera pseudaurea var. flavula +
5-10-ribbed  +
Packera pseudaurea var. pseudaurea +
5-10-ribbed  +
Packera pseudaurea var. semicordata +
5-10-ribbed  +
Packera quercetorum +
5-10-ribbed  +
Packera sanguisorboides +
5-10-ribbed  +
Packera schweinitziana +
5-10-ribbed  +
Packera spellenbergii +
5-10-ribbed  +
Packera streptanthifolia +
5-10-ribbed  +
Packera subnuda +
5-10-ribbed  +
Packera subnuda var. moresbiensis +
5-10-ribbed  +
Packera subnuda var. subnuda +
5-10-ribbed  +
Packera tampicana +
5-10-ribbed  +
Packera texensis +
5-10-ribbed  +
Packera tomentosa +
5-10-ribbed  +
Packera tridenticulata +
5-10-ribbed  +
Packera werneriifolia +
5-10-ribbed  +
Palafoxia +
beaked  +
Palafoxia arida +
beaked  +
Palafoxia callosa +
beaked  +
Palafoxia feayi +
beaked  +
Palafoxia hookeriana +
beaked  +
Palafoxia integrifolia +
beaked  +
Palafoxia reverchonii +
beaked  +
Palafoxia riograndensis +
beaked  +
Palafoxia rosea +
beaked  +
Palafoxia sphacelata +
beaked  +
Palafoxia texana +
beaked  +
Parasenecio +
10-ribbed  +
Parasenecio auriculatus +
10-ribbed  +
Parthenice +
beaked  +
Parthenice mollis +
beaked  +
Parthenium +
beaked  +
Parthenium alpinum +
beaked  +
Parthenium argentatum +
beaked  +
Parthenium confertum +
beaked  +
Parthenium hysterophorus +
beaked  +
Parthenium incanum +
beaked  +
Parthenium integrifolium +
beaked  +
Parthenium ligulatum +
beaked  +
Pascalia +
ribbed  +
Pascalia glauca +
ribbed  +
Pectis +
beaked  +
Pectis angustifolia +
beaked  +
Pectis angustifolia var. angustifolia +
beaked  +
Pectis angustifolia var. fastigiata +
beaked  +
Pectis angustifolia var. tenella +
beaked  +
Pectis cylindrica +
beaked  +
Pectis filipes +
beaked  +
Pectis filipes var. subnuda +
beaked  +
Pectis glaucescens +
beaked  +
Pectis humifusa +
beaked  +
Pectis imberbis +
beaked  +
Pectis linearifolia +
beaked  +
Pectis linifolia +
beaked  +
Pectis linifolia var. linifolia +
beaked  +
Pectis longipes +
beaked  +
Pectis papposa +
beaked  +
Pectis papposa var. grandis +
beaked  +
Pectis papposa var. papposa +
beaked  +
Pectis prostrata +
beaked  +
Pectis rusbyi +
beaked  +
Pectis ×floridana +
beaked  +
Pentachaeta +
(3-)5-ribbed  +
Pentachaeta alsinoides +
(3-)5-ribbed  +
Pentachaeta aurea +
(3-)5-ribbed  +
Pentachaeta bellidiflora +
(3-)5-ribbed  +
Pentachaeta exilis +
(3-)5-ribbed  +
Pentachaeta exilis subsp. aeolica +
(3-)5-ribbed  +
Pentachaeta exilis subsp. exilis +
(3-)5-ribbed  +
Pentachaeta fragilis +
(3-)5-ribbed  +
Pentachaeta lyonii +
(3-)5-ribbed  +
Pericallis +
4-5-ribbed  +
Pericallis hybrida +
4-5-ribbed  +
Pericome +
beaked  +
Pericome caudata +
beaked  +
Perityle +
beaked  +
Perityle aglossa +
beaked  +
Perityle ajoensis +
beaked  +
Perityle ambrosiifolia +
beaked  +
Perityle angustifolia +
beaked  +
Perityle bisetosa +
beaked  +
Perityle bisetosa var. appressa +
beaked  +
Perityle bisetosa var. bisetosa +
beaked  +
Perityle bisetosa var. scalaris +
beaked  +
Perityle cernua +
beaked  +
Perityle ciliata +
beaked  +
Perityle cinerea +
beaked  +
Perityle cochisensis +
beaked  +
Perityle congesta +
beaked  +
Perityle coronopifolia +
beaked  +
Perityle dissecta +
beaked  +
Perityle emoryi +
beaked  +
Perityle fosteri +
beaked  +
Perityle gilensis +
beaked  +
Perityle gilensis var. gilensis +
beaked  +
Perityle gilensis var. salensis +
beaked  +
Perityle gracilis +
beaked  +
Perityle huecoensis +
beaked  +
Perityle intricata +
beaked  +
Perityle inyoensis +
beaked  +
Perityle lemmonii +
beaked  +
Perityle lindheimeri +
beaked  +
Perityle lindheimeri var. halimifolia +
beaked  +
Perityle lindheimeri var. lindheimeri +
beaked  +
Perityle megalocephala +
beaked  +
Perityle megalocephala var. megalocephala +
beaked  +
Perityle megalocephala var. oligophylla +
beaked  +
Perityle microglossa +
beaked  +
Perityle microglossa var. microglossa +
beaked  +
Perityle parryi +
beaked  +
Perityle quinqueflora +
beaked  +
Perityle rupestris +
beaked  +
Perityle rupestris var. albiflora +
beaked  +
Perityle rupestris var. rupestris +
beaked  +
Perityle saxicola +
beaked  +
Perityle sect. Laphamia +
beaked  +
Perityle sect. Pappothrix +
beaked  +
Perityle sect. Perityle +
beaked  +
Perityle specuicola +
beaked  +
Perityle stansburyi +
beaked  +
Perityle staurophylla +
beaked  +
Perityle staurophylla var. homoflora +
beaked  +
Perityle staurophylla var. staurophylla +
beaked  +
Perityle tenella +
beaked  +
Perityle vaseyi +
beaked  +
Perityle villosa +
beaked  +
Perityle vitreomontana +
beaked  +
Perityle warnockii +
beaked  +
Petasites +
10-ribbed  +, 5-ribbed  +
Petasites frigidus +
10-ribbed  +, 5-ribbed  +
Petasites frigidus var. frigidus +
10-ribbed  +, 5-ribbed  +
Petasites frigidus var. palmatus +
10-ribbed  +, 5-ribbed  +
Petasites frigidus var. sagittatus +
10-ribbed  +, 5-ribbed  +
Petasites frigidus var. ×vitifolius +
10-ribbed  +, 5-ribbed  +
Petradoria +
beaked  +, 2-ribbed  +, 5-ribbed  +
Petradoria pumila +
beaked  +, 2-ribbed  +, 5-ribbed  +
Petradoria pumila var. graminea +
beaked  +, 2-ribbed  +, 5-ribbed  +
Petradoria pumila var. pumila +
beaked  +, 2-ribbed  +, 5-ribbed  +
Peucephyllum +
beaked  +
Peucephyllum schottii +
beaked  +
Phalacroseris +
not beaked  +, truncate  +
Phalacroseris bolanderi +
not beaked  +, truncate  +
Phoebanthus +
ribbed  +
Phoebanthus grandiflorus +
ribbed  +
Phoebanthus tenuifolius +
ribbed  +
Picradeniopsis +
beaked  +
Picradeniopsis oppositifolia +
beaked  +
Picradeniopsis woodhousei +
beaked  +
Pityopsis +
8-10-ribbed  +
Pityopsis aspera +
ribbed  +
Pityopsis aspera var. adenolepis +
ribbed  +
Pityopsis aspera var. aspera +
ribbed  +
Pityopsis falcata +
ribbed  +
Pityopsis flexuosa +
ribbed  +
Pityopsis graminifolia +
8-10-ribbed  +
Pityopsis graminifolia var. aequilifolia +
8-10-ribbed  +
Pityopsis graminifolia var. graminifolia +
8-10-ribbed  +
Pityopsis graminifolia var. latifolia +
8-10-ribbed  +
Pityopsis graminifolia var. tenuifolia +
8-10-ribbed  +
Pityopsis graminifolia var. tracyi +
8-10-ribbed  +
Pityopsis oligantha +
ribbed  +
Pityopsis pinifolia +
ribbed  +
Pityopsis ruthii +
ribbed  +
Plateilema +
beaked  +
Plateilema palmeri +
beaked  +
Platyschkuhria +
beaked  +
Platyschkuhria integrifolia +
beaked  +
Plectocephalus +
beaked  +
Plectocephalus americanus +
beaked  +
Plectocephalus rothrockii +
beaked  +
Pleurocoronis +
4-5-ribbed  +
Pleurocoronis pluriseta +
4-5-ribbed  +
Pluchea +
not beaked  +
Pluchea baccharis +
not beaked  +
Pluchea camphorata +
not beaked  +
Pluchea carolinensis +
not beaked  +
Pluchea foetida +
not beaked  +
Pluchea longifolia +
not beaked  +
Pluchea odorata +
not beaked  +
Pluchea odorata var. odorata +
not beaked  +
Pluchea odorata var. succulenta +
not beaked  +
Pluchea sagittalis +
not beaked  +
Pluchea sericea +
not beaked  +
Pluchea yucatanensis +
not beaked  +
Polymnia +
beaked  +
Polymnia canadensis +
beaked  +
Polymnia cossatotensis +
beaked  +
Polymnia laevigata +
beaked  +
Porophyllum +
beaked  +
Porophyllum gracile +
beaked  +
Porophyllum greggii +
beaked  +
Porophyllum pygmaeum +
beaked  +
Porophyllum ruderale +
beaked  +
Porophyllum ruderale var. macrocephalum +
beaked  +
Porophyllum scoparium +
beaked  +
Prenanthella +
5-ribbed  +, not beaked  +
Prenanthella exigua +
5-ribbed  +, not beaked  +
Prenanthes alata +
7-10-ribbed  +
Prenanthes altissima +
5-10-ribbed  +
Prenanthes aspera +
10-12-ribbed  +
Prenanthes autumnalis +
8-10-ribbed  +
Prenanthes barbata +
8-10-ribbed  +
Prenanthes boottii +
7-10-ribbed  +
Prenanthes carrii +
12-15-ribbed  +
Prenanthes crepidinea +
10-12-ribbed  +
Prenanthes racemosa +
8-12-ribbed  +
Prenanthes roanensis +
8-12-ribbed  +
Prenanthes sagittata +
7-10-ribbed  +
Prenanthes serpentaria +
8-10-ribbed  +
Prenanthes trifoliolata +
8-11-ribbed  +
Psacalium +
[10-]14-18-ribbed  +
Psacalium decompositum +
[10-]14-18-ribbed  +
Psathyrotes +
beaked  +
Psathyrotes annua +
beaked  +
Psathyrotes pilifera +
beaked  +
Psathyrotes ramosissima +
beaked  +
Psathyrotopsis +
beaked  +
Psathyrotopsis scaposa +
beaked  +
Pseudelephantopus +
not beaked  +
Pseudelephantopus spicatus +
not beaked  +
Pseudobahia +
beaked  +
Pseudobahia bahiifolia +
beaked  +
Pseudobahia heermannii +
beaked  +
Pseudobahia peirsonii +
beaked  +
Pseudoclappia +
beaked  +
Pseudoclappia arenaria +
beaked  +
Pseudoclappia watsonii +
beaked  +
Pseudogynoxys +
ribbed  +
Pseudogynoxys chenopodioides +
ribbed  +
Psilactis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Psilactis asteroides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Psilactis brevilingulata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Psilactis gentryi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Psilactis heterocarpa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Psilactis tenuis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Psilostrophe +
striate-ribbed  +
Psilostrophe bakeri +
striate-ribbed  +
Psilostrophe cooperi +
striate-ribbed  +
Psilostrophe gnaphalodes +
striate-ribbed  +
Psilostrophe sparsiflora +
striate-ribbed  +
Psilostrophe tagetina +
striate-ribbed  +
Psilostrophe villosa +
striate-ribbed  +
Pterocaulon +
not beaked  +
Pterocaulon pycnostachyum +
not beaked  +
Pterocaulon virgatum +
not beaked  +
Pulicaria +
not beaked  +
Pulicaria paludosa +
not beaked  +
Pyrrocoma +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma apargioides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma carthamoides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma carthamoides var. carthamoides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma carthamoides var. cusickii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma carthamoides var. subsquarrosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma clementis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma clementis var. clementis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma clementis var. villosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma crocea +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma crocea var. crocea +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma crocea var. genuflexa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma hirta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma hirta var. hirta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma hirta var. lanulosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma hirta var. sonchifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma insecticruris +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma integrifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma lanceolata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma lanceolata var. lanceolata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma lanceolata var. subviscosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma liatriformis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma linearis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma lucida +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma racemosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma racemosa var. congesta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma racemosa var. paniculata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma racemosa var. pinetorum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma racemosa var. racemosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma racemosa var. sessiliflora +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma radiata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma uniflora +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma uniflora var. gossypina +
beaked  +, 2-ribbed  +, 5-ribbed  +
Pyrrocoma uniflora var. uniflora +
beaked  +, 2-ribbed  +, 5-ribbed  +
R
Raillardella +
beaked  +
Raillardella argentea +
beaked  +
Raillardella pringlei +
beaked  +
Raillardella scaposa +
beaked  +
Rainiera +
beaked  +
Rainiera stricta +
beaked  +
Ratibida +
beaked  +
Ratibida columnifera +
beaked  +
Ratibida peduncularis +
beaked  +
Ratibida peduncularis var. peduncularis +
beaked  +
Ratibida peduncularis var. picta +
beaked  +
Ratibida pinnata +
beaked  +
Ratibida tagetes +
beaked  +
Rayjacksonia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Rayjacksonia annua +
beaked  +, 2-ribbed  +, 5-ribbed  +
Rayjacksonia aurea +
beaked  +, 2-ribbed  +, 5-ribbed  +
Rayjacksonia phyllocephala +
beaked  +, 2-ribbed  +, 5-ribbed  +
Rigiopappus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Rigiopappus leptocladus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Roldana +
10-ribbed  +
Roldana hartwegii +
10-ribbed  +
Rudbeckia +
beaked  +
Rudbeckia alpicola +
beaked  +
Rudbeckia amplexicaulis +
beaked  +
Rudbeckia auriculata +
beaked  +
Rudbeckia californica +
beaked  +
Rudbeckia fulgida +
beaked  +
Rudbeckia fulgida var. deamii +
beaked  +
Rudbeckia fulgida var. fulgida +
beaked  +
Rudbeckia fulgida var. palustris +
beaked  +
Rudbeckia fulgida var. spathulata +
beaked  +
Rudbeckia fulgida var. speciosa +
beaked  +
Rudbeckia fulgida var. sullivantii +
beaked  +
Rudbeckia fulgida var. umbrosa +
beaked  +
Rudbeckia glaucescens +
beaked  +
Rudbeckia graminifolia +
beaked  +
Rudbeckia grandiflora +
beaked  +
Rudbeckia grandiflora var. alismifolia +
beaked  +
Rudbeckia grandiflora var. grandiflora +
beaked  +
Rudbeckia heliopsidis +
beaked  +
Rudbeckia hirta +
beaked  +
Rudbeckia hirta var. angustifolia +
beaked  +
Rudbeckia hirta var. floridana +
beaked  +
Rudbeckia hirta var. hirta +
beaked  +
Rudbeckia hirta var. pulcherrima +
beaked  +
Rudbeckia klamathensis +
beaked  +
Rudbeckia laciniata +
beaked  +
Rudbeckia laciniata var. ampla +
beaked  +
Rudbeckia laciniata var. bipinnata +
beaked  +
Rudbeckia laciniata var. heterophylla +
beaked  +
Rudbeckia laciniata var. humilis +
beaked  +
Rudbeckia laciniata var. laciniata +
beaked  +
Rudbeckia maxima +
beaked  +
Rudbeckia missouriensis +
beaked  +
Rudbeckia mohrii +
beaked  +
Rudbeckia mollis +
beaked  +
Rudbeckia montana +
beaked  +
Rudbeckia nitida +
beaked  +
Rudbeckia occidentalis +
beaked  +
Rudbeckia scabrifolia +
beaked  +
Rudbeckia sect. Dracopis +
beaked  +
Rudbeckia sect. Macrocline +
beaked  +
Rudbeckia sect. Rudbeckia +
beaked  +
Rudbeckia subtomentosa +
beaked  +
Rudbeckia texana +
beaked  +
Rudbeckia triloba +
beaked  +
Rudbeckia triloba var. pinnatiloba +
beaked  +
Rudbeckia triloba var. rupestris +
beaked  +
Rudbeckia triloba var. triloba +
beaked  +
Rugelia +
beaked  +
Rugelia nudicaulis +
beaked  +
S
Sachsia +
not beaked  +
Sachsia polycephala +
not beaked  +
Sanvitalia +
ribbed  +
Sanvitalia abertii +
ribbed  +
Sanvitalia ocymoides +
ribbed  +
Sanvitalia procumbens +
ribbed  +
Sartwellia +
10-15-ribbed  +
Sartwellia flaveriae +
10-15-ribbed  +
Saussurea +
beaked  +
Saussurea amara +
beaked  +
Saussurea amara var. glomerata +
beaked  +
Saussurea americana +
beaked  +
Saussurea angustifolia +
beaked  +
Saussurea angustifolia var. angustifolia +
beaked  +
Saussurea angustifolia var. viscida +
beaked  +
Saussurea angustifolia var. yukonensis +
beaked  +
Saussurea nuda +
beaked  +
Saussurea triangulata +
beaked  +
Saussurea weberi +
beaked  +
Scabrethia +
ribbed  +
Scabrethia scabra +
ribbed  +
Scabrethia scabra subsp. attenuata +
ribbed  +
Scabrethia scabra subsp. canescens +
ribbed  +
Scabrethia scabra subsp. scabra +
ribbed  +
Schkuhria +
beaked  +
Schkuhria multiflora +
beaked  +
Schkuhria pinnata +
beaked  +
Sclerocarpus +
beaked  +
Sclerocarpus uniserialis +
beaked  +
Sclerolepis +
5-ribbed  +
Sclerolepis uniflora +
5-ribbed  +
Scolymus +
not beaked  +
Scolymus hispanicus +
not beaked  +
Scolymus maculatus +
not beaked  +
Scorzonera +
not beaked  +
Scorzonera hispanica +
not beaked  +
Scorzonera laciniata +
not beaked  +
Senecio +
beaked  +
Senecio actinella +
beaked  +
Senecio amplectens +
beaked  +
Senecio amplectens var. amplectens +
beaked  +
Senecio amplectens var. holmii +
beaked  +
Senecio ampullaceus +
beaked  +
Senecio aphanactis +
beaked  +
Senecio arizonicus +
beaked  +
Senecio aronicoides +
beaked  +
Senecio astephanus +
beaked  +
Senecio atratus +
beaked  +
Senecio bigelovii +
beaked  +
Senecio bigelovii var. bigelovii +
beaked  +
Senecio bigelovii var. hallii +
beaked  +
Senecio blochmaniae +
beaked  +
Senecio californicus +
beaked  +
Senecio cannabifolius +
beaked  +
Senecio clarkianus +
beaked  +
Senecio crassulus +
beaked  +
Senecio elegans +
beaked  +
Senecio elmeri +
beaked  +
Senecio eremophilus +
beaked  +
Senecio eremophilus var. eremophilus +
beaked  +
Senecio eremophilus var. kingii +
beaked  +
Senecio eremophilus var. macdougalii +
beaked  +
Senecio ertterae +
beaked  +
Senecio erucifolius +
beaked  +
Senecio flaccidus +
beaked  +
Senecio flaccidus var. douglasii +
beaked  +
Senecio flaccidus var. flaccidus +
beaked  +
Senecio flaccidus var. monoensis +
beaked  +
Senecio fremontii +
beaked  +
Senecio fremontii var. blitoides +
beaked  +
Senecio fremontii var. fremontii +
beaked  +
Senecio fremontii var. inexpectatus +
beaked  +
Senecio fremontii var. occidentalis +
beaked  +
Senecio hydrophiloides +
beaked  +
Senecio hydrophilus +
beaked  +
Senecio integerrimus +
beaked  +
Senecio integerrimus var. exaltatus +
beaked  +
Senecio integerrimus var. integerrimus +
beaked  +
Senecio integerrimus var. major +
beaked  +
Senecio integerrimus var. ochroleucus +
beaked  +
Senecio integerrimus var. scribneri +
beaked  +
Senecio jacobaea +
beaked  +
Senecio lemmonii +
beaked  +
Senecio lugens +
beaked  +
Senecio lyonii +
beaked  +
Senecio megacephalus +
beaked  +
Senecio mohavensis +
beaked  +
Senecio multidentatus +
beaked  +
Senecio multidentatus var. huachucanus +
beaked  +
Senecio neowebsteri +
beaked  +
Senecio parryi +
beaked  +
Senecio pattersonensis +
beaked  +
Senecio pseudoarnica +
beaked  +
Senecio pudicus +
beaked  +
Senecio quaylei +
beaked  +
Senecio rapifolius +
beaked  +
Senecio riddellii +
beaked  +
Senecio sacramentanus +
beaked  +
Senecio scorzonella +
beaked  +
Senecio serra +
beaked  +
Senecio serra var. admirabilis +
beaked  +
Senecio serra var. serra +
beaked  +
Senecio sheldonensis +
beaked  +
Senecio soldanella +
beaked  +
Senecio spartioides +
beaked  +
Senecio sphaerocephalus +
beaked  +
Senecio spribillei +
beaked  +
Senecio squalidus +
beaked  +
Senecio sylvaticus +
beaked  +
Senecio taraxacoides +
beaked  +
Senecio triangularis +
beaked  +
Senecio viscosus +
beaked  +
Senecio vulgaris +
beaked  +
Senecio warnockii +
beaked  +
Senecio wootonii +
beaked  +
Sericocarpus +
7-10-ribbed  +
Sericocarpus asteroides +
7-10-ribbed  +
Sericocarpus linifolius +
7-10-ribbed  +
Sericocarpus oregonensis +
7-10-ribbed  +
Sericocarpus oregonensis subsp. californicus +
7-10-ribbed  +
Sericocarpus oregonensis subsp. oregonensis +
7-10-ribbed  +
Sericocarpus rigidus +
7-10-ribbed  +
Sericocarpus tortifolius +
7-10-ribbed  +
Shinnersia +
4-5-ribbed  +
Shinnersia rivularis +
4-5-ribbed  +
Silphium +
ribbed  +
Silphium albiflorum +
ribbed  +
Silphium asteriscus +
ribbed  +
Silphium asteriscus var. asteriscus +
ribbed  +
Silphium asteriscus var. dentatum +
ribbed  +
Silphium asteriscus var. latifolium +
ribbed  +
Silphium asteriscus var. simpsonii +
ribbed  +
Silphium asteriscus var. trifoliatum +
ribbed  +
Silphium brachiatum +
ribbed  +
Silphium compositum +
ribbed  +
Silphium glutinosum +
ribbed  +
Silphium integrifolium +
ribbed  +
Silphium integrifolium var. integrifolium +
ribbed  +
Silphium integrifolium var. laeve +
ribbed  +
Silphium laciniatum +
ribbed  +
Silphium mohrii +
ribbed  +
Silphium perfoliatum +
ribbed  +
Silphium perfoliatum var. connatum +
ribbed  +
Silphium perfoliatum var. perfoliatum +
ribbed  +
Silphium radula +
ribbed  +
Silphium radula var. gracile +
ribbed  +
Silphium radula var. radula +
ribbed  +
Silphium terebinthinaceum +
ribbed  +
Silphium terebinthinaceum var. pinnatifidum +
ribbed  +
Silphium terebinthinaceum var. terebinthinaceum +
ribbed  +
Silphium wasiotense +
ribbed  +
Silybum +
not ribbed  +
Silybum marianum +
not ribbed  +
Simsia +
beaked  +
Simsia calva +
beaked  +
Simsia lagasceiformis +
beaked  +
Sinosenecio +
10-ribbed or nerved  +, 5-ribbed  +
Sinosenecio newcombei +
10-ribbed or nerved  +, 5-ribbed  +
Smallanthus +
30-40-ribbed  +
Smallanthus uvedalia +
30-40-ribbed  +
Solidago +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago (sect. Solidago) ser. Argutae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago (sect. Solidago) ser. Auriculatae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago (sect. Solidago) ser. Brachychaeta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago (sect. Solidago) ser. Drummondiani +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago (sect. Solidago) ser. Odorae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago (sect. Solidago) ser. Venosae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago albopilosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago altiplanities +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago altissima +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago altissima subsp. altissima +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago altissima subsp. gilvocanescens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago arenicola +
5-ribbed  +
Solidago arguta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago arguta subsp. arguta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago arguta subsp. caroliniana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago arguta var. arguta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago arguta var. boottii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago arguta var. caroliniana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago arguta var. harrisii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago auriculata +
ribbed  +
Solidago bicolor +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago brachyphylla +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago buckleyi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago caesia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago caesia var. caesia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago caesia var. zedia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago canadensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago canadensis var. canadensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago canadensis var. hargeri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago confinis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago curtisii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago curtisii var. curtisii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago curtisii var. flaccidifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago delicatula +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago drummondii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago elongata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago erecta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago faucibus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago fistulosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago flexicaulis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago gattingeri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago gigantea +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago glomerata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago guiradonis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago hispida +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago houghtonii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago juliae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago juncea +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago kralii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago lancifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago latissimifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago leavenworthii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago leiocarpa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago lepida +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago lepida subsp. fallax +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago lepida subsp. lepida +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago lepida var. lepida +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago lepida var. salebrosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago ludoviciana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago macrophylla +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago missouriensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago mollis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago multiradiata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago nana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago nemoralis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago nemoralis subsp. decemflora +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago nemoralis subsp. nemoralis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago nitida +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago odora +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago odora subsp. chapmanii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago odora subsp. odora +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago ohioensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago ouachitensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago patula +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago patula subsp. patula +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago patula subsp. strictula +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago petiolaris +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago pinetorum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago plumosa +
ribbed  +
Solidago ptarmicoides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago puberula +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago puberula subsp. puberula +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago puberula subsp. pulverulenta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago pulchra +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago radula +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago riddellii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago rigida +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago rigida subsp. glabrata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago rigida subsp. humilis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago rigida subsp. rigida +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago roanensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago rugosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago rugosa subsp. aspera +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago rugosa subsp. rugosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago rugosa var. aspera +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago rugosa var. celtidifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago rugosa var. rugosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago rugosa var. sphagnophila +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago rupestris +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago sciaphila +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago sect. Ptarmicoidei +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago sect. Solidago +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago sempervirens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago sempervirens subsp. mexicana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago sempervirens subsp. sempervirens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago shortii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago simplex +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago simplex subsp. randii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago simplex subsp. simplex +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago simplex var. chlorolepis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago simplex var. gillmanii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago simplex var. monticola +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago simplex var. nana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago simplex var. ontarioensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago simplex var. racemosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago simplex var. simplex +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago spathulata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago speciosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago speciosa subsp. pallida +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago speciosa subsp. speciosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago speciosa var. rigidiuscula +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago speciosa var. speciosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago spectabilis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago sphacelata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago spithamaea +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago squarrosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago stricta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago stricta subsp. gracillima +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago stricta subsp. stricta +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago subsect. Argutae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago subsect. Glomeruliflorae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago subsect. Humiles +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago subsect. Junceae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago subsect. Maritimae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago subsect. Multiradiatae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago subsect. Nemorales +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago subsect. Squarrosae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago subsect. Thyrsiflorae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago subsect. Triplinerviae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago subsect. Venosae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago tarda +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago tortifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago uliginosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago ulmifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago ulmifolia var. palmeri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago ulmifolia var. ulmifolia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago velutina +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago velutina subsp. californica +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago velutina subsp. sparsiflora +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago verna +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago villosicarpa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Solidago wrightii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Sphagneticola +
ribbed  +
Sphagneticola trilobata +
ribbed  +
Stebbinsoseris +
not beaked  +
Stebbinsoseris decipiens +
not beaked  +
Stebbinsoseris heterocarpa +
not beaked  +
Stenotus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Stenotus acaulis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Stenotus armerioides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Stenotus armerioides var. armerioides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Stenotus armerioides var. gramineus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Stenotus lanuginosus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Stenotus lanuginosus var. andersonii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Stenotus lanuginosus var. lanuginosus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Stevia +
5-ribbed  +
Stevia lemmonii +
5-ribbed  +
Stevia micrantha +
5-ribbed  +
Stevia ovata +
5-ribbed  +
Stevia ovata var. texana +
5-ribbed  +
Stevia plummerae +
5-ribbed  +
Stevia plummerae var. plummerae +
5-ribbed  +
Stevia salicifolia +
5-ribbed  +
Stevia salicifolia var. salicifolia +
5-ribbed  +
Stevia serrata +
5-ribbed  +
Stevia viscida +
5-ribbed  +
Stokesia +
not beaked  +
Stokesia laevis +
not beaked  +
Symphyotrichum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum adnatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum anomalum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum anticostense +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum ascendens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum boreale +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum bracteolatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum campestre +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum chapmanii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum chilense +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum ciliatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum ciliolatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum concolor +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum concolor var. concolor +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum concolor var. devestitum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum cordifolium +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum cusickii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum defoliatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum depauperatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum drummondii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum drummondii var. drummondii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum drummondii var. texanum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum dumosum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum elliottii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum ericoides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum ericoides var. ericoides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum ericoides var. pansum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum eulae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum falcatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum falcatum var. commutatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum falcatum var. falcatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum fendleri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum firmum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum foliaceum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum foliaceum var. apricum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum foliaceum var. canbyi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum foliaceum var. foliaceum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum foliaceum var. parryi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum fontinale +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum frondosum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum georgianum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum grandiflorum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum greatae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum hallii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum hendersonii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum jessicae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum laeve +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum laeve var. concinnum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum laeve var. geyeri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum laeve var. laeve +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum laeve var. purpuratum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum lanceolatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum lanceolatum var. hesperium +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum lanceolatum var. hirsuticaule +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum lanceolatum var. interior +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum lanceolatum var. lanceolatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum lanceolatum var. latifolium +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum lateriflorum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum laurentianum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum lentum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum molle +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum nahanniense +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum novae-angliae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum novi-belgii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum novi-belgii var. crenifolium +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum novi-belgii var. elodes +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum novi-belgii var. novibelgii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum novi-belgii var. villicaule +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum oblongifolium +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum ontarionis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum ontarionis var. glabratum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum ontarionis var. ontarionis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum oolentangiense +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum parviceps +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum patens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum patens var. gracile +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum patens var. patens +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum patens var. patentissimum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum phlogifolium +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum pilosum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum pilosum var. pilosum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum pilosum var. pringlei +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum plumosum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum porteri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum potosinum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum praealtum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum pratense +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum prenanthoides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum priceae +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum puniceum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum puniceum var. puniceum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum puniceum var. scabricaule +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum pygmaeum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum racemosum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum retroflexum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum rhiannon +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum robynsianum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum sect. Conyzopsis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum sect. Occidentales +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum sect. Symphyotrichum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum sericeum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum shortii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum simmondsii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum spathulatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum spathulatum var. intermedium +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum spathulatum var. spathulatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum spathulatum var. yosemitanum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum subg. Ascendentes +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum subg. Astropolium +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum subg. Chapmaniani +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum subg. Symphyotrichum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum subg. Virgulus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum subspicatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum subulatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum subulatum var. elongatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum subulatum var. ligulatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum subulatum var. parviflorum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum subulatum var. squamatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum subulatum var. subulatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum tenuifolium +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum tenuifolium var. aphyllum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum tenuifolium var. tenuifolium +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum tradescantii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum turbinellum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum undulatum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum urophyllum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum walteri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum welshii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum yukonense +
beaked  +, 2-ribbed  +, 5-ribbed  +
Symphyotrichum ×amethystinum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Synedrella +
ribbed  +
Synedrella nodiflora +
ribbed  +
Syntrichopappus +
beaked  +
Syntrichopappus fremontii +
beaked  +
Syntrichopappus lemmonii +
beaked  +
T
Tagetes +
beaked  +
Tagetes erecta +
beaked  +
Tagetes lemmonii +
beaked  +
Tagetes micrantha +
beaked  +
Tagetes minuta +
beaked  +
Tamaulipa +
5-6-ribbed  +
Tamaulipa azurea +
5-6-ribbed  +
Tanacetum balsamita +
5-8-ribbed  +
Tanacetum parthenium +
5-10-ribbed  +
Tephroseris +
beaked  +
Tephroseris frigida +
beaked  +
Tephroseris kjellmanii +
beaked  +
Tephroseris lindstroemii +
beaked  +
Tephroseris palustris +
beaked  +
Tephroseris tundricola +
beaked  +
Tephroseris yukonensis +
beaked  +
Tetradymia +
5-ribbed  +
Tetradymia argyraea +
5-ribbed  +
Tetradymia axillaris +
5-ribbed  +
Tetradymia axillaris var. axillaris +
5-ribbed  +
Tetradymia axillaris var. longispina +
5-ribbed  +
Tetradymia canescens +
5-ribbed  +
Tetradymia comosa +
5-ribbed  +
Tetradymia filifolia +
5-ribbed  +
Tetradymia glabrata +
5-ribbed  +
Tetradymia nuttallii +
5-ribbed  +
Tetradymia spinosa +
5-ribbed  +
Tetradymia stenolepis +
5-ribbed  +
Tetradymia tetrameres +
5-ribbed  +
Tetragonotheca +
32-40-ribbed  +
Tetragonotheca helianthoides +
32-40-ribbed  +
Tetragonotheca ludoviciana +
32-40-ribbed  +
Tetragonotheca repanda +
32-40-ribbed  +
Tetragonotheca texana +
32-40-ribbed  +
Tetraneuris +
beaked  +
Tetraneuris acaulis +
beaked  +
Tetraneuris acaulis var. acaulis +
beaked  +
Tetraneuris acaulis var. arizonica +
beaked  +
Tetraneuris acaulis var. caespitosa +
beaked  +
Tetraneuris acaulis var. epunctata +
beaked  +
Tetraneuris argentea +
beaked  +
Tetraneuris herbacea +
beaked  +
Tetraneuris ivesiana +
beaked  +
Tetraneuris linearifolia +
beaked  +
Tetraneuris linearifolia var. arenicola +
beaked  +
Tetraneuris linearifolia var. linearifolia +
beaked  +
Tetraneuris scaposa +
beaked  +
Tetraneuris scaposa var. argyrocaulon +
beaked  +
Tetraneuris scaposa var. scaposa +
beaked  +
Tetraneuris torreyana +
beaked  +
Tetraneuris turneri +
beaked  +
Tetraneuris verdiensis +
beaked  +
Thelesperma +
beaked  +
Thelesperma ambiguum +
beaked  +
Thelesperma burridgeanum +
beaked  +
Thelesperma filifolium +
beaked  +
Thelesperma flavodiscum +
beaked  +
Thelesperma longipes +
beaked  +
Thelesperma megapotamicum +
beaked  +
Thelesperma nuecense +
beaked  +
Thelesperma simplicifolium +
beaked  +
Thelesperma subnudum +
beaked  +
Thurovia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Thurovia triflora +
beaked  +, 2-ribbed  +, 5-ribbed  +
Thymophylla +
beaked  +
Thymophylla acerosa +
beaked  +
Thymophylla aurea +
beaked  +
Thymophylla aurea var. aurea +
beaked  +
Thymophylla aurea var. polychaeta +
beaked  +
Thymophylla concinna +
beaked  +
Thymophylla micropoides +
beaked  +
Thymophylla pentachaeta +
beaked  +
Thymophylla pentachaeta var. belenidium +
beaked  +
Thymophylla pentachaeta var. hartwegii +
beaked  +
Thymophylla pentachaeta var. pentachaeta +
beaked  +
Thymophylla pentachaeta var. puberula +
beaked  +
Thymophylla setifolia +
beaked  +
Thymophylla setifolia var. greggii +
beaked  +
Thymophylla tenuiloba +
beaked  +
Thymophylla tenuiloba var. tenuiloba +
beaked  +
Thymophylla tenuiloba var. texana +
beaked  +
Thymophylla tenuiloba var. treculii +
beaked  +
Thymophylla tenuiloba var. wrightii +
beaked  +
Thymophylla tephroleuca +
beaked  +
Tithonia +
beaked  +
Tithonia diversifolia +
beaked  +
Tithonia rotundifolia +
beaked  +
Tithonia thurberi +
beaked  +
Toiyabea +
beaked  +, 2-ribbed  +, 5-ribbed  +
Toiyabea alpina +
beaked  +, 2-ribbed  +, 5-ribbed  +
Tolpis +
not beaked  +
Tolpis barbata +
not beaked  +
Tonestus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Tonestus eximius +
beaked  +, 2-ribbed  +, 5-ribbed  +
Tonestus graniticus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Tonestus lyallii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Tonestus pygmaeus +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia annua +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia aprica +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia condensata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia eximia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia exscapa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia fendleri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia florifera +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia formosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia glabella +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia grandiflora +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia gypsophila +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia hookeri +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia incana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia jonesii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia leptotes +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia mensana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia microcephala +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia minima +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia montana +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia parryi +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia rothrockii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia scapigera +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia smithii +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia spathulata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia strigosa +
beaked  +, 2-ribbed  +, 5-ribbed  +
Townsendia texensis +
beaked  +, 2-ribbed  +, 5-ribbed  +
Tracyina +
beaked  +, 2-ribbed  +, 5-ribbed  +
Tracyina rostrata +
beaked  +, 2-ribbed  +, 5-ribbed  +
Trichocoronis +
4-5-ribbed  +
Trichocoronis wrightii +
4-5-ribbed  +
Trichocoronis wrightii var. wrightii +
4-5-ribbed  +
Trichoptilium +
beaked  +
Trichoptilium incisum +
beaked  +
Tridax +
beaked  +
Tridax procumbens +
beaked  +
Triniteurybia +
beaked  +, 2-ribbed  +, 5-ribbed  +
Triniteurybia aberrans +
beaked  +, 2-ribbed  +, 5-ribbed  +
Trixis +
beaked  +
Trixis californica +
beaked  +
Trixis californica var. californica +
beaked  +
Trixis inula +
beaked  +
Tussilago +
5(-10)-ribbed  +
Tussilago farfara +
5(-10)-ribbed  +
V
Varilla +
8-15-ribbed  +
Varilla texana +
8-15-ribbed  +
Venegasia +
beaked  +
Venegasia carpesioides +
beaked  +
Verbesina +
ribbed  +
Verbesina alternifolia +
ribbed  +
Verbesina aristata +
ribbed  +
Verbesina chapmanii +
ribbed  +
Verbesina dissita +
ribbed  +
Verbesina encelioides +
ribbed  +
Verbesina helianthoides +
ribbed  +
Verbesina heterophylla +
ribbed  +
Verbesina lindheimeri +
ribbed  +
Verbesina longifolia +
ribbed  +
Verbesina microptera +
ribbed  +
Verbesina nana +
ribbed  +
Verbesina occidentalis +
ribbed  +
Verbesina oreophila +
ribbed  +
Verbesina rothrockii +
ribbed  +
Verbesina virginica +
ribbed  +
Verbesina walteri +
ribbed  +
Vernonia +
8-10-ribbed  +
Vernonia acaulis +
8-10-ribbed  +
Vernonia angustifolia +
8-10-ribbed  +
Vernonia arkansana +
8-10-ribbed  +
Vernonia baldwinii +
8-10-ribbed  +
Vernonia blodgettii +
8-10-ribbed  +
Vernonia fasciculata +
8-10-ribbed  +
Vernonia flaccidifolia +
8-10-ribbed  +
Vernonia gigantea +
8-10-ribbed  +
Vernonia glauca +
8-10-ribbed  +
Vernonia larseniae +
8-10-ribbed  +
Vernonia lettermannii +
8-10-ribbed  +
Vernonia lindheimeri +
8-10-ribbed  +
Vernonia marginata +
8-10-ribbed  +
Vernonia missurica +
8-10-ribbed  +
Vernonia noveboracensis +
8-10-ribbed  +
Vernonia pulchella +
8-10-ribbed  +
Vernonia texana +
8-10-ribbed  +
Viguiera +
beaked  +
Viguiera cordifolia +
beaked  +
Viguiera dentata +
beaked  +
Viguiera stenoloba +
beaked  +
Volutaria +
ribbed  +
Volutaria muricata +
ribbed  +
W
Wedelia +
ribbed  +
Wedelia acapulcensis +
ribbed  +
Wedelia acapulcensis var. hispida +
ribbed  +
Wyethia +
ribbed  +
Wyethia amplexicaulis +
ribbed  +
Wyethia angustifolia +
ribbed  +
Wyethia arizonica +
ribbed  +
Wyethia glabra +
ribbed  +
Wyethia helenioides +
ribbed  +
Wyethia helianthoides +
ribbed  +
Wyethia longicaulis +
ribbed  +
Wyethia mollis +
ribbed  +
X
Xanthisma +
6-18-ribbed  +
Xanthisma blephariphyllum +
10-18-ribbed  +
Xanthisma coloradoense +
6-18-ribbed  +
Xanthisma gracile +
6-18-ribbed  +
Xanthisma grindelioides +
6-18-ribbed  +
Xanthisma grindelioides var. depressum +
6-18-ribbed  +
Xanthisma grindelioides var. grindeloides +
6-18-ribbed  +
Xanthisma gypsophilum +
8-14-ribbed  +
Xanthisma junceum +
6-18-ribbed  +
Xanthisma sect. Blepharodon +
6-18-ribbed  +
Xanthisma sect. Havardii +
asymmetric  +
Xanthisma sect. Sideranthus +
6-18-ribbed  +
Xanthisma sect. Xanthisma +
6-18-ribbed  +
Xanthisma spinulosum +
6-18-ribbed  +
Xanthisma spinulosum var. chihuahuanum +
6-18-ribbed  +
Xanthisma spinulosum var. glaberrimum +
6-18-ribbed  +
Xanthisma spinulosum var. gooddingii +
6-18-ribbed  +
Xanthisma spinulosum var. paradoxum +
6-18-ribbed  +
Xanthisma spinulosum var. spinulosum +
6-18-ribbed  +
Xanthisma texanum +
6-18-ribbed  +
Xanthisma texanum var. drummondii +
6-18-ribbed  +
Xanthisma texanum var. orientale +
6-18-ribbed  +
Xanthisma texanum var. texanum +
6-18-ribbed  +
Xanthisma viscidum +
asymmetric  +
Xanthium +
beaked  +
Xanthium spinosum +
beaked  +
Xanthium strumarium +
beaked  +
Xanthocephalum +
beaked  +, 2-ribbed  +, 5-ribbed  +
Xanthocephalum gymnospermoides +
beaked  +, 2-ribbed  +, 5-ribbed  +
Xylorhiza +
4-ribbed  +
Xylorhiza cognata +
4-ribbed  +
Xylorhiza confertifolia +
4-ribbed  +
Xylorhiza cronquistii +
4-ribbed  +
Xylorhiza glabriuscula +
4-ribbed  +
Xylorhiza linearifolia +
4-ribbed  +
Xylorhiza orcuttii +
4-ribbed  +
Xylorhiza tortifolia +
4-ribbed  +
Xylorhiza tortifolia var. imberbis +
4-ribbed  +
Xylorhiza tortifolia var. tortifolia +
4-ribbed  +
Xylorhiza venusta +
4-ribbed  +
Xylorhiza wrightii +
4-ribbed  +
Y
Yermo +
10-ribbed  +
Yermo xanthocephalus +
10-ribbed  +
Youngia +
beaked  +
Youngia japonica +
beaked  +
Z
Zaluzania +
beaked  +
Zaluzania grayana +
beaked  +
Zinnia +
ribbed  +
Zinnia acerosa +
ribbed  +
Zinnia anomala +
ribbed  +
Zinnia grandiflora +
ribbed  +
Zinnia peruviana +
ribbed  +
Zinnia violacea +
ribbed  +