Senecio flaccidus var. douglasii
Phytologia 69: 52. 1990.
Herbage usually ± tomentose (usually with persistent, uneven grayish tomentum), sometimes unevenly glabrescent. Calyculi: bractlets well developed (lengths 1/3–1/2 phyllaries). Involucres usually campanulate. Phyllaries (± 13) ± 21, 7–10 (–12) mm.
Phenology: Flowering mostly summer–fall (year around in favorable sites).
Habitat: Dry, open, sandy or rocky sites, usually areas with continual mild disturbance
Elevation: 100–1500 m
Calif., Mexico (Baja California)