Species Details

Trifolium buckwestiorum

Santa Cruz clover

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Classification

Scientific Name: Trifolium buckwestiorum Isely
Common Name: Santa Cruz clover
Family:	Fabaceae
Element Code:	PDFAB402W0
USDA Plants Symbol:	TRBU3
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S; SB_SBBG; SB_UCSC; SB_USDA
CRPR Changes:
Add Date:	1994-01-01
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: annual herb
Blooming Period: Apr-Oct
Elevation: 105 - 610 meters 345 - 2000 feet
General Habitat: Broadleafed upland forest Cismontane woodland Coastal prairie
General Micro Habitat: margins
Micro Habitat: Gravelly

Notes

Notes: Threatened by land clearing and non-native plants. Possibly threatened by road maintenance. See Madroño 39(2):90 (1992) for original description.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					64
A	B	C	D	X	U
6	13	5	1	1	38

Occurrence Status:
Historical >20 Years	22
Recent <=20 Years	42

Presence:
Presumed Extant	63
Possibly Extirpated	1
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Mendocino (MEN), Monterey (MNT), San Mateo (SMT), Santa Clara (SCL), Santa Cruz (SCR), Sonoma (SON)

Quads: Name (Quad Code)
Ano Nuevo (3712213), Big Foot Mtn. (3812372), Castle Rock Ridge (3712221), Cazadero (3812351), Comptche (3912335), Davenport (3712212), Elk (3912326), Eureka Hill (3812385), Felton (3712211), Fort Ross (3812352), Gube Mountain (3812373), Laughlin Range (3912333), Loma Prieta (3712117), Marina (3612167), McGuire Ridge (3812374), Mindego Hill (3712232), Mt. Sizer (3712125), Ornbaun Valley (3812383), Philo (3912314), Salinas (3612166), Santa Rosa (3812246), Seaside (3612157), Soquel (3612188), Spreckels (3612156), Two Rock (3812237), Zeni Ridge (3812384)

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.

Regional Map

Map

Presumed Extant

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Counties Quads

CNPS Rare Plant Inventory