Taxon Details

Astragalus nevinii

San Clemente Island milk-vetch

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Taxon Summary:

Astragalus nevinii, commonly known as San Clemente Island milk-vetch, is a perennial herb in the Fabaceae that is found only in California. It occurs within Coastal dunes, Coastal scrub, and Valley and foothill grassland, growing at elevations from 5 to 225 meters. Astragalus nevinii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Astragalus nevinii Gray
Common Name: San Clemente Island milk-vetch
Family:	Fabaceae
Element Code:	PDFAB0F5X0
USDA Plants Symbol:	ASNE5
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:	SB_CalBG/RSABG; SB_CRES
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Feb-Jul

Elevation:
5 - 225 meters
15 - 740 feet

General Habitats:

Coastal dunes
Coastal scrub
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Notes

Notes: Known from fewer than twenty occurrences. Reduced by feral herbivores; feral goats now removed from the island.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	1
	Total EOs	% of EOs
EOs with Threat Listed:	1	8 %
Non-native plant impacts	1	7%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					13
A	B	C	D	X	U
1	3	0	0	0	9

Occurrence Status:
Historical >20 Years	3
Recent <=20 Years	10

Presence:
Presumed Extant	13
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Los Angeles (LAX)

Quads: Name (Quad Code)
San Clemente Island Central (3211874), San Clemente Island North (3211885), San Clemente Island South (3211873)

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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CNPS Rare Plant Inventory