Species Details

Cirsium fontinale var. obispoense

Chorro Creek bog thistle

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Scientific Name:
Cirsium fontinale (Greene) Jeps. var. obispoense J.T. Howell
Common Name:
Chorro Creek bog thistle
Family: Asteraceae
Element Code: PDAST2E162
USDA Plants Symbol: CIFOO
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: FE (1994-12-15)
State List: CE (1993-06-01)
Global Rank: G2T2
State Rank:
S2
Other Status: SB_CalBG/RSABG; SB_SBBG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2022-12-06
Lifeform: perennial herb
Blooming Period: Feb-Jul(Aug-Sep)
JFMAMJJASOND
Elevation:
35 - 385 meters
115 - 1265 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
  • Coastal scrub
  • Valley and foothill grassland
Microhabitat Details: Drainages
Microhabitat:
  • Seeps
  • Serpentine
Notes:
Threatened by grazing, development, and proposed water diversions. Possibly threatened by foot traffic, and non-native plants.  See Leaflets of Western Botany 2:71 (1938) for original description, and Bulletin of the Southern California Academy of Sciences 115(3):156-175 (2016) for status information.
Threats:
Taxonomy:
Threat List Total: 13
Total EOs % of EOs
EOs with Threat Listed: 19 86 %
THREAT LIST:
Foot traffic/trampling 10 45%
Non-native plant impacts 9 40%
Other 8 36%
Grazing 7 31%
Development 5 22%
Total Occurrences: 22
Element Occurrence Ranks:
A B C D X U
9 5 3 0 1 4
Occurrence Status:
Historical >20 Years 6
Recent <=20 Years 16
Presence:
Presumed Extant 21
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Luis Obispo (SLO)
Quads: Name (Quad Code)
Atascadero (3512046), Cambria (3512151), Lopez Mtn. (3512035), Morro Bay North (3512047), Morro Bay South (3512037), Pebblestone Shut-in (3512161), Pismo Beach (3512026), San Luis Obispo (3512036)
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.
Presumed Extant
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