Bryum argenteum var. muticum

Bridel

Bryol. Univ. 1: 846. 1827.

Treatment appears in FNA Volume 28. Treatment on page 126. Mentioned on page 125, 127.

Plants hoary white to silver-green. Stems shorter than 0.2 cm, gemmiform to short-julaceous. Leaves often broader than long, hyaline in distal 1/2–1/4; costal apiculus absent or very short, of 1 or 2 cells; distal laminal cells short-hexagonal, (1–) 2–3: 1, sometimes a few quadrate cells present.


Phenology: Capsules unknown.
Habitat: Dry soil, soil over rock, crevices, lowland deserts to dry alpine tundra
Elevation: low to high elevations (0-4000 m)

Distribution

V28 195-distribution-map.gif

Ariz., Calif., Colo., Nev., N.Mex., Utah, South America, Australia, Antarctica

Discussion

Variety muticum is widespread in extreme environments, but the world distribution is not well known.

Selected References

None.

Lower Taxa

None.

"narrower" is not a number."often broader" is not a number."narrow" is not a number.

green +  and hyaline +
not cucullate;broadly rounded;acute +
John R. Spence +
Bridel +
reduced +
curved +  and straight +
not decurrent +
cucullate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
red +  and redbrown +
inclined +  and pendent +
long-exserted +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
quadrate +
differentiated +
appendiculate +
subpercurrent +
elongate-hexagonal +
Ariz. +, Calif. +, Colo. +, Nev. +, N.Mex. +, Utah +, South America +, Australia +  and Antarctica +
low to high elevations (0-4000 m) +
hyaline;pale-yellow +
tan +  and pale-yellow +
Dry soil, soil over rock, crevices, lowland deserts to dry alpine tundra +
polyoicous +, monoicous +, dioicous +  and sexual +
imbricate;variously contorted +
0.1 cm1 mm <br />0.001 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
concave +, ovate +  and ovatelanceolate +
larger +  and vegetative +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
differentiated +
1 (?) +, 3 (?) +  and 6 (?) +
rarely +, short-rhomboidal +  and elongate-hexagonal +
short-rectangular +  and quadrate +
not rostrate +, short-conic +  and convex +
lateral +  and terminal +
lateral +  and terminal +
diplolepidous-alternate +
Capsules unknown. +
short-rectangular +  and quadrate +
Bryol. Univ. +
differentiated +
smooth;papillose +
differentiated +
brown +  and redbrown +
elongate +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Illustrated +
yellow-tan +  and pale tan +
germinating +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
gemmiform +  and short-julaceous +
0.2 cm2 mm <br />0.002 m <br /> (?) +
Bryum argenteum var. muticum +
Bryum argenteum +
variety +
lanceolate +
slender +
distinct +
straight +
specialized +
dioicous +  and sexual +
sinuate +
incrassate +
white +  and silver-green +