CNPS Inventory Plant Detail

Cirsium andrewsii

Common Name:	Franciscan thistle
Family:	Asteraceae
Synonyms:
Element Code:	PDAST2E050
Full Name:	Cirsium andrewsii (Gray) Jeps.
USDA PLANTS Symbol:	CIAN2

Biology
Lifeform: perennial herb Blooming Period: March - July Habitat: mesic, sometimes serpentinite. • Broadleafed upland forest • Coastal bluff scrub • Coastal prairie • Coastal scrub

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2.2 S2: Imperiled. .2: Threatened. Global Rank: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 27
Element Occurrence Ranks:

A B C D X U

3 10 3 0 3 8

Population Status:

Historic >20 yrs	Recent <=20 yrs
10	17

Presence:

Present Extant	Possibly Extirpated	Extirpated
24	3	0

Notes

Threatened by development and non-native plants. See Proceedings of the American Academy of Arts and Sciences 10:45 (1874) for original description, and A Flora of Western Middle California , p. 506 (1901) by W. L. Jepson for revised nomenclature.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1974-01-01
Last Update: 2010-03-15

Location

Elevation: 0 - 150 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Contra Costa (CCA), Marin (MRN), San Francisco (SFO), San Mateo (SMT), Sonoma (SON) (*?)

Quads: name (DWR code) USGS code
Franklin Point (409A)* 37122B3, San Francisco South (448B) 37122F4, Montara Mountain (448C) 37122E4, Briones Valley (465B) 37122H2, San Francisco North (466C) 37122G4, Point Bonita (467D) 37122G5, Point Reyes NE (485A) 38122B7, Tomales (485B) 38122B8, Drakes Bay (485C) 38122A8, Inverness (485D) 38122A7, Valley Ford (502C) 38122C8, Bodega Head (503D)(*?) 38123C1

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

479

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-122.5,37.75