Species Details

Cirsium andrewsii

Franciscan thistle

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Scientific Name:
Cirsium andrewsii (Gray) Jeps.
Common Name:
Franciscan thistle
Family: Asteraceae
Element Code: PDAST2E050
USDA Plants Symbol: CIAN2
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: Mar-Jul
Elevation:
0 - 150 meters
0 - 490 feet
General Habitat:
  • Broadleafed upland forest
  • Coastal bluff scrub
  • Coastal prairie
  • Coastal scrub
General Micro Habitat: mesic, sometimes serpentinite
Micro Habitat:
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.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 31
Element Occurrence Ranks:
A B C D X U
3 11 3 0 3 11
Occurrence Status:
Historical >20 Years 18
Recent <=20 Years 13
Presence:
Presumed Extant 28
Possibly Extirpated 3
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Contra Costa (CCA), Marin (MRN), San Francisco (SFO), San Mateo (SMT), Sonoma (SON)(?)
Quads: Name (Quad Code)
Ano Nuevo (3712213), Bodega Head (3812331)(?), Briones Valley (3712282), Drakes Bay (3812218), Franklin Point (3712223)*, Inverness (3812217), Montara Mountain (3712254), Point Bonita (3712275), Point Reyes NE (3812227), San Francisco North (3712274), San Francisco South (3712264), Tomales (3812228), Valley Ford (3812238)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Map

Presumed Extant
Counties   Quads