CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-16sep 9-2-16
Status: record cirsium_occidentale_var._compactum - Wed, Oct. 26, 2016 20:56 ET c
Cirsium occidentale var. compactum
common namecompact cobwebby thistle
CalPhotos image
more photos
Gerald and Buff Corsi © 1999 California Academy of Sciences  Follow image link for photo data.
life formperennial herb
CA Rare Plant Rank
List 1B.2
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.2: Fairly endangered in California
state rank
S1      ranking system key
global rank
G3G4T1   G3G4: Intermediate between G3 and G4
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (7):
Cayucos (247B) 3512048, San Simeon (271B) 3512162, Pico Creek (271C) 3512152, Cambria (271D) 3512151, Piedras Blancas (272A) 3512163, Point Sur (344C)? 3612138, San Francisco South (448B)* 3712264
quad data info

Counties, states, regions:
Monterey (MNT)?, San Francisco (SFO)*, San Luis Obispo (SLO)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)
•Coastal dunes (CoDns)
•Coastal prairie (CoPrr)
•Coastal scrub (CoScr)
blooming period Apr-Jun  
elevation range5 - 150 meters
Known from fewer than twenty occurrences. Threatened by grazing and insect predation, and potentially by road construction and development. Some inland plants weakly separated from var. occidentale. Compact, low-growing plants from MNT Co. (344C) are probably not var. compactum.
full nameCirsium occidentale (Nutt.) Jeps. var. compactum Hoov.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CIOCC2 Element Code  PDAST2E1Z1
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). 2016. Inventory of Rare and Endangered Plants (online edition, v7-16sep). California Native Plant Society. Sacramento, CA. Accessed on Wed, Oct. 26, 2016 from

pick and add to Plant Pressexplain the meaning of the fieldsCNPS.ORGQuestions and CommentsHOMELOGIN (you are guest anonymous)   Web Oriented Database Home