Species Details

Astragalus nyensis

Nye milk-vetch

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CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G3?
State Rank:
S1
Other Status: BLM_S
CRPR Changes:
added to 1B.1 on 2011-12-27
Add Date: 2011-12-27
Date Edited: 2021-08-25
Lifeform: annual herb
Blooming Period: Apr-May
Elevation:
790 - 815 meters
2590 - 2675 feet
General Habitat:
  • Mojavean desert scrub
General Micro Habitat:
Micro Habitat:
  • Alkaline (sometimes)
  • Gravelly
  • Sandy
Notes:
Discovered in CA in 2011; known in CA only from Pahrump Valley. Seriously threatened by solar energy development. Possibly threatened by non-native plants. Similar to A. acutirostris and A. nuttallianus var. imperfectus. Not in The Jepson Manual (1993) and TJM 2. See Leaflets of Western Botany 3(5):97-114 (1942) for original description, and Leaflets of Western Botany 7(8):192-196 (1954) and Brittonia 42(2):100-104 (1990) for taxonomic treatments.
Threats:
Taxonomy:
Other:
Total Occurrences: 19
Element Occurrence Ranks:
A B C D X U
0 8 9 2 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 19
Presence:
Presumed Extant 19
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), California (CA), Nevada (NV), Utah (UT)
California Counties and Islands: Name (Code)
Inyo (INY)
Quads: Name (Quad Code)
Calvada Springs (3511588), Mound Spring (3611518), Stump Spring, Nev. (3511587)
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.

Map

Presumed Extant
Counties   Quads