CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record cirsium_hydrophilum_var._vaseyi - Tue, Apr. 23, 2019 17:59 ET c
Cirsium hydrophilum var. vaseyi
common nameMt. Tamalpais thistle
CalPhotos image
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© 1999 John Game  Follow image link for photo data.
familyAsteraceae
life formperennial herb
CA Rare Plant Rank
List 1B.2
CA-Endemic
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.2: Fairly endangered in California
state rank
S1      ranking system key
global rank
G2T1      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (4):
San Francisco North (466C) 3712274, San Rafael (467A) 3712285, Bolinas (467B) 3712286, San Geronimo (484C) 3812216
quad data info

Counties, states, regions:
Marin (MRN), San Francisco (SFO)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Broadleafed upland forest (BUFrs)
•Chaparral (Chprl)
•Meadows and seeps (Medws)/serpentinite seeps
blooming period May-Aug  
elevation range240 - 620 meters
notes
Known from fewer than 20 occurrences on Mt. Tamalpais. Threatened by road construction and non-native plants. See Synoptical Flora of North America 1(2):403-404 (1884) for original description.
full nameCirsium hydrophilum (Greene) Jeps. var. vaseyi (Gray) J.T. Howell
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CIHYV Element Code  PDAST2E1G2
CalFlora
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web


Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Tue, Apr. 23, 2019 from http://www.cnps.org/inventory

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