Taxon Details

Astragalus lentiginosus var. sesquimetralis

Sodaville milk-vetch

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Taxon Summary:

Astragalus lentiginosus var. sesquimetralis, commonly known as Sodaville milk-vetch, is a perennial herb in the Fabaceae that is found in California and elsewhere. It occurs within Meadows and seeps, growing at elevations from 955 to 975 meters. Astragalus lentiginosus var. sesquimetralis is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Astragalus lentiginosus Hook. var. sesquimetralis (Rydb.) Barneby
Common Name: Sodaville milk-vetch
Family:	Fabaceae
Element Code:	PDFAB0FB9K
USDA Plants Symbol:	ASLES4
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	CE (1979-09-01)
Global Rank:	G5T1
State Rank:	S1
Other Status:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Apr-Jul

Elevation:
955 - 975 meters
3135 - 3200 feet

General Habitats:

Meadows and seeps (alkaline)

Microhabitat Details:

Microhabitat:

Notes

Notes: Known in CA from only one occurrence at Sand Spring, in Death Valley NP. Only two occurrences known in NV, both on private land. Most of CA occurrence protected by new fencing erected by BLM in 1996; unfenced portion still threatened by trampling and vehicles. State-listed as Critically Endangered in NV. See North American Flora 24:414 (1929) for original description, and Brittonia 29:376-381 (1977) for discussion of CA occurrence.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	1	100 %
Altered flood/tidal/hydrologic regime	1	100%
Non-native animal impacts	1	100%

Occurrence Data from the CNDDB

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

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	1

Presence:
Presumed Extant	1
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Nevada (NV)

California Counties and Islands: Name (Code)
Inyo (INY)

Quads: Name (Quad Code)
Sand Spring (3711725)

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