CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-14sep 9-12-14
Status: record cirsium_rhothophilum - Tue, Sep. 16, 2014 00:53 ET c
Cirsium rhothophilum
common nameSurf thistle
CalPhotos image
\"CalPhotos
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unknown © 1984 CNPS  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
G1     G1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres.
Where did the "RED" code go?
CA state listingThreatened  02/90
federal listingNone  
where found
(12/2) v7 maps currently unavailable - use link below for v8 details and maps

Topographic quads (10):
Point Conception (145B) 3412044, Surf (171A) 3412065, Point Arguello (171C) 3412056, Tranquillon Mountain (171D) 3412055, Guadalupe (196A) 3412085, Point Sal (196B) 3412086, Casmalia (196D) 3412075, Pismo Beach (221B) 3512026, Oceano (221D) 3512015, Morro Bay South (247D) 3512037
quad data info

Counties, states, regions:
Santa Barbara (SBA), San Luis Obispo (SLO)
counties map
CNDDB Quick Viewer
Web application for exploring the CNDDB elements reported at the quad level.
(broadband recommended)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Coastal bluff scrub (CBScr)
•Coastal dunes (CoDns)
blooming period Apr-Jun  
elevation range3 - 60 meters
notes
Threatened by vehicles, foot traffic, and non-native plants. See Botanical Gazette 39:45 (1905) for original description.
full nameCirsium rhothophilum Blake
Version 8    INVENTORY VERSION 8 - Details for this taxon, including GIS and other links

Additional information:
standard acronym  CIRH Element Code  PDAST2E2J0
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). 2014. Inventory of Rare and Endangered Plants (online edition, v7-14sep). California Native Plant Society. Sacramento, CA. Accessed on Tue, Sep. 16, 2014 from http://www.cnps.org/inventory

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