Sphaeromeria potentilloides var. nitrophila

(Cronquist) A. H. Holmgren

Brittonia 28: 261. 1976.

Basionym: Tanacetum potentilloides var. nitrophilum Cronquist
Synonyms: Vesicarpa potentilloides var. nitrophilum (Cronquist) Kartesz
Treatment appears in FNA Volume 19. Treatment on page 500.
Revision as of 00:24, 27 July 2019 by FNA>Volume Importer
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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

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.
Timothy K. Lowrey +  and Leila M. Shultz +
(Cronquist) A. H. Holmgren +
Tanacetum potentilloides var. nitrophilum +
Calif. +, Idaho +  and Nev. +
1600–2200 m +
Highly alkaline sites +
Flowering May–Jul. +
Illustrated +  and Endemic +
Vesicarpa potentilloides var. nitrophilum +
Sphaeromeria potentilloides var. nitrophila +
Sphaeromeria potentilloides +
variety +