2011 Chris Winchell 2017 John Doyen 2017 John Doyen 2017 John Doyen 2011 Chris Winchell 2011 Chris Winchell
Cirsium rhothophilum is a perennial herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
State of California status: Threatened.
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2011 Chris Winchell:!2017 John Doyen:!2017 John Doyen:!2017 John Doyen:!2011 Chris Winchell:!2011 Chris Winchell:!
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Suggested Citation
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals,
including the
Consortium of California Herbaria.[web application]. 2023. Berkeley, California:The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 02/07/2023).