Species Details

Astragalus sabulonum

gravel milk-vetch

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Scientific Name:
Astragalus sabulonum A. Gray
Common Name:
gravel milk-vetch
Family: Fabaceae
Element Code: PDFAB0F7R0
USDA Plants Symbol: ASSA2
Synonyms/Other Names:
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G4G5
State Rank:
S2
Other Status:
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
added to 2.2 on 2011-10-19
Add Date: 2011-10-19
Date Edited: 2023-05-02
Lifeform: annual/perennial herb
Blooming Period: Feb-Jun
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Elevation:
-60 - 930 meters
-195 - 3050 feet
General Habitats:
  • Desert dunes
  • Mojavean desert scrub
  • Sonoran desert scrub
Microhabitat Details:
Microhabitat:
  • Flats
  • Gravelly (sometimes)
  • Roadsides
  • Sandy (usually)
  • Washes
Notes:
Threatened by solar energy development. Possibly threatened by vehicles, recreational activities, and non-native plants. See Proceedings of the American Academy of Arts and Sciences 13:361-374 (1878) for original description.
Threats:
Taxonomy:
Threat List Total: 5
Total EOs % of EOs
EOs with Threat Listed: 8 42 %
THREAT LIST:
Development 5 26%
Non-native plant impacts 5 26%
ORV activity 2 10%
Recreational use (non-ORV) 1 5%
Agriculture 1 5%
Total Occurrences: 19
Element Occurrence Ranks:
A B C D X U
2 1 3 0 1 12
Occurrence Status:
Historical >20 Years 12
Recent <=20 Years 7
Presence:
Presumed Extant 18
Possibly Extirpated 0
Presumed Extirpated 1
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), California (CA), Nevada (NV), New Mexico (NM), Sonora, Mexico (SO), Utah (UT)
California Counties and Islands: Name (Code)
Imperial (IMP), Inyo (INY), Riverside (RIV), San Diego (SDG)
Quads: Name (Quad Code)
Borrego Palm Canyon (3311634), Borrego Sink (3311623), Calexico (3211564), Calvada Springs (3511588), Clark Lake (3311633), Harpers Well (3311518), Heber (3211565), Hopkins Well (3311458), Indio (3311662), Kane Spring (3311517), Kane Spring NE (3311527), Last Chance Range SW (3711716), Mecca (3311651)*, Mortmar (3311558), Mound Spring (3611518), Mount Signal (3211566), Niland (3311525), Roosevelt Mine (3311457), Stump Spring, Nev. (3511587), The Dunes (3611744), Tubb Canyon (3311624), Wister (3311535), Yuha Basin (3211567)
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.
Presumed Extant
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