Species Details

Astragalus jaegerianus

Lane Mountain milk-vetch

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Scientific Name:
Astragalus jaegerianus Munz
Common Name:
Lane Mountain milk-vetch
Family: Fabaceae
Element Code: PDFAB0F4F0
USDA Plants Symbol: ASJA
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: Apr-Jun
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Elevation:
900 - 1200 meters
2955 - 3935 feet
General Habitats:
  • Joshua tree "woodland"
  • Mojavean desert scrub
Microhabitat Details:
Microhabitat:
  • Granitic
  • Gravelly (sometimes)
  • Sandy (sometimes)
Notes:
Known only from small fragmented populations within and adjacent to Ft. Irwin (DOD); where threatened by mining, vehicles, and military activities. Also threatened by prolonged drought. See Leaflets of Western Botany 3:49-80 (1941) for original description.
Threats:
Taxonomy:
Threat List Total: 8
Total EOs % of EOs
EOs with Threat Listed: 22 100 %
THREAT LIST:
Other 22 100%
ORV activity 17 77%
Mining 15 68%
Non-native plant impacts 9 40%
Recreational use (non-ORV) 9 40%
Total Occurrences: 22
Element Occurrence Ranks:
A B C D X U
0 3 2 1 0 16
Occurrence Status:
Historical >20 Years 16
Recent <=20 Years 6
Presence:
Presumed Extant 22
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Bernardino (SBD)
Quads: Name (Quad Code)
East of Goldstone (3511637), Goldstone (3511638), Lane Mountain (3511618), Mud Hills (3511711), Paradise Range (3511627), Williams Well (3511628)
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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