CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record cirsium_scariosum_var._loncholepis - Wed, Dec. 8, 2021, 23:03 ET b
Cirsium scariosum var. loncholepis
common nameLa Graciosa thistle
CalPhotos image
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life formperennial herb
CA Rare Plant Rank
List 1B.1
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously endangered in California
state rank
S1      ranking system key
global rank
G5T1      ranking system key
CA state listingThreatened  02/90
federal listingEndangered  03/20/00
where found
MAPS - Use v8 link below.

Topographic quads (8):
Surf (171A)* 3412065, Orcutt (195C)* 3412074, Sisquoc (195D) 3412073, Guadalupe (196A) 3412085, Point Sal (196B) 3412086, Pismo Beach (221B)* 3512026, Oceano (221D) 3512015, San Luis Obispo (246C) 3512036
quad data info

Counties, states, regions:
Monterey (MNT), Santa Barbara (SBA), San Luis Obispo (SLO)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Cismontane woodland (CmWld)
•Coastal dunes (CoDns)
•Coastal scrub (CoScr)
•Marshes and swamps (MshSw)(brackish)
•Valley and foothill grassland (VFGrs)/mesic, sandy
blooming period May-Aug  
elevation range4 - 220 meters
Known from fewer than twenty occurrences. Threatened by development, vehicles, groundwater pumping, and non-native plants. Possibly threatened by grazing.
full nameCirsium scariosum Nutt. var. loncholepis (Petr.) D.J. Keil
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDAST2E1N0
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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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 Wed, Dec. 8, 2021 from

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