Difference between revisions of "Cirsium douglasii var. breweri"

(A. Gray) D. J. Keil & C. E. Turner

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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|publication title=Phytologia
 
|publication title=Phytologia
 
|publication year=1992
 
|publication year=1992
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|special status=Illustrated;Endemic
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|tribe=Asteraceae tribe Cardueae
 
|tribe=Asteraceae tribe Cardueae
 
|genus=Cirsium
 
|genus=Cirsium

Latest revision as of 20:47, 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

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.
David J. Keil +
(A. Gray) D. J. Keil & C. E. Turner +
Cnicus breweri +
Brewer’s thistle +
Calif. +, Nev. +  and Oreg. +
1200–1900 m +
Wet soil, streams, fens, marshes, springs in montane coniferous forest areas, often on serpentine +
Flowering summer (Jun–Aug). +
Illustrated +  and Endemic +
Cirsium breweri +  and Cirsium douglasii var. canescens +
Cirsium douglasii var. breweri +
Cirsium douglasii +
variety +