Difference between revisions of "Cirsium douglasii var. breweri"
Phytologia 73: 313. 1992.
Common names: Brewer’s thistle
IllustratedEndemic
Basionym: Cnicus breweri A. Gray Proc. Amer. Acad. Arts 10: 43. 1874
Synonyms: Cirsium breweri (A. Gray) Jepson Cirsium douglasii var. canescens (Petrak) J. T. Howell
Treatment appears in FNA Volume 19. Treatment on page 133.
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|genus=Cirsium | |genus=Cirsium | ||
Latest revision as of 19:47, 5 November 2020
Plants to 250 cm. Cauline leaves usually unlobed or shallowly lobed, spines usually less than 2–7 mm. Heads mostly 2–3 cm. 2n = 30.
Phenology: Flowering summer (Jun–Aug).
Habitat: Wet soil, streams, fens, marshes, springs in montane coniferous forest areas, often on serpentine
Elevation: 1200–1900 m
Distribution
Calif., Nev., Oreg.
Discussion
Variety breweri grows from the eastern North Coast Ranges of California and the Klamath and Siskiyou ranges east to the northen Sierra Nevada.
Selected References
None.
Lower Taxa
None.