Species Details

Triphysaria floribunda

San Francisco owl's-clover

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Scientific Name:
Triphysaria floribunda (Benth.) Chuang & Heckard
Common Name:
San Francisco owl's-clover
Family: Orobanchaceae
Element Code: PDSCR2T010
USDA Plants Symbol: TRFL14
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Apr-Jun
Elevation:
10 - 160 meters
35 - 525 feet
General Habitat:
  • Coastal prairie
  • Coastal scrub
  • Valley and foothill grassland
General Micro Habitat: usually serpentinite
Micro Habitat:
Notes:
Threatened by grazing, non-native plants, and trampling. See Systematic Botany 16(4):644-666 (1991) for revised nomenclature.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 50
Element Occurrence Ranks:
A B C D X U
2 16 5 4 6 17
Occurrence Status:
Historical >20 Years 28
Recent <=20 Years 22
Presence:
Presumed Extant 44
Possibly Extirpated 4
Presumed Extirpated 2
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Marin (MRN), San Francisco (SFO), San Mateo (SMT)
Quads: Name (Quad Code)
Drakes Bay (3812218), Hunters Point (3712263), Inverness (3812217), Montara Mountain (3712254), San Francisco North (3712274), San Francisco South (3712264), San Mateo (3712253), 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