Species Details

Astragalus pulsiferae var. suksdorfii

Suksdorf's milk-vetch

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Classification

Scientific Name: Astragalus pulsiferae Gray var. suksdorfii (Howell) Barneby
Common Name: Suksdorf's milk-vetch
Family:	Fabaceae
Element Code:	PDFAB0F782
USDA Plants Symbol:	ASPUS
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G4T2
State Rank:	S2
Other Status:	BLM_S; USFS_S
CRPR Changes:
Add Date:	1994-01-01
Date Edited:	2021-08-25

Ecology and Life History

Lifeform: perennial herb
Blooming Period: May-Aug
Elevation: 1300 - 2000 meters 4265 - 6560 feet
General Habitat: Great Basin scrub Lower montane coniferous forest Pinyon and juniper woodland
General Micro Habitat:
Micro Habitat: Gravelly Rocky Volcanic

Notes

Notes: Threatened by grazing, road widening, mining, competition, and timber harvest activities; potentially threatened by vehicles and development. State-listed as Endangered in WA. See Erythea 1:111 (1893) for original description, and Memoirs of the New York Botanical Garden 13:968-971 (1964) and Rhodora 104(919):271-279 (2002) for taxonomic treatment.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					25
A	B	C	D	X	U
8	11	3	0	0	3

Occurrence Status:
Historical >20 Years	3
Recent <=20 Years	22

Presence:
Presumed Extant	25
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Washington (WA)

California Counties and Islands: Name (Code)
Lassen (LAS), Plumas (PLU), Shasta (SHA)

Quads: Name (Quad Code)
Almanor (4012122), Antelope Mtn. (4012058), Bogard Buttes (4012152), Chester (4012132), Manzanita Lake (4012155), Pine Creek Valley (4012151), Poison Lake (4012162), Stover Mtn. (4012133), Swains Hole (4012163), Thousand Lakes Valley (4012165), West of Snowstorm Mtn. (4012064)

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