Sphaeromeria potentilloides var. nitrophila
Brittonia 28: 261. 1976.
IllustratedEndemic
Basionym: Tanacetum potentilloides var. nitrophilum Cronquist Leafl. W. Bot. 6: 49. 1950
Synonyms: Vesicarpa potentilloides var. nitrophilum (Cronquist) Kartesz
Treatment appears in FNA Volume 19. Treatment on page 500.
Plants 3–15 cm. Leaves mostly basal; basal mostly 1-pinnately lobed; cauline (2–)3-fid or entire. Heads 1–3(–4). Involucres 4–5.1 mm. 2n = 18.
Phenology: Flowering May–Jul.
Habitat: Highly alkaline sites
Elevation: 1600–2200 m
Distribution
Calif., Idaho, Nev.
Discussion
Variety nitrophila grows in northern and central Nevada and in the hills north of Snake River Plains in Idaho.
Selected References
None.
Lower Taxa
None.