CNPS Inventory Plant Detail

Triphysaria floribunda

Common Name:	San Francisco owl's-clover
Family:	Orobanchaceae
Synonyms:	Orthocarpus floribundus
Element Code:	PDSCR2T010
Full Name:	Triphysaria floribunda (Benth.) Chuang & Heckard
USDA PLANTS Symbol:	TRFL14

Biology
Lifeform: annual herb Blooming Period: April - June Habitat: usually serpentinite. • Coastal prairie • Coastal scrub • Valley and foothill grassland

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: 41
Element Occurrence Ranks:

A B C D X U

2 17 4 5 3 10

Population Status:

Historic >20 yrs	Recent <=20 yrs
13	28

Presence:

Present Extant	Possibly Extirpated	Extirpated
38	1	2

Notes
Threatened by grazing, non-native plants, and trampling. See Systematic Botany 16(4):644-666 (1991) 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: 2011-02-08

Location

Elevation: 10 - 160 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Marin (MRN), San Francisco (SFO), San Mateo (SMT)

Quads: name (DWR code) USGS code
San Francisco South (448B) 37122F4, Montara Mountain (448C) 37122E4, San Mateo (448D) 37122E3, San Francisco North (466C) 37122G4, Point Reyes NE (485A) 38122B7, Tomales (485B) 38122B8, Drakes Bay (485C) 38122A8, Inverness (485D) 38122A7, Valley Ford (502C) 38122C8

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

1203

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 .

-122.75,38.0