Species Details

Astragalus deanei

Dean's milk-vetch

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Scientific Name:
Astragalus deanei (Rydb.) Barneby
Common Name:
Dean's milk-vetch
Family: Fabaceae
Element Code: PDFAB0F2R0
USDA Plants Symbol: ASDE
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: Feb-May
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Elevation:
75 - 695 meters
245 - 2280 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
  • Coastal scrub
  • Riparian forest
Microhabitat Details:
Microhabitat:
Notes:
Seriously threatened by development, vegetation/fuel management activities, foot traffic, non-native plants, and road maintenance. See North American Flora 24:355 (1929) for original description, and Memoirs of the New York Botanical Garden 13:845-846 (1964) for taxonomic treatment.
Threats:
Taxonomy:
Threat List Total: 8
Total EOs % of EOs
EOs with Threat Listed: 10 36 %
THREAT LIST:
Erosion/runoff 4 14%
Road/trail construction/maint. 4 14%
Development 3 10%
Non-native plant impacts 3 10%
Recreational use (non-ORV) 1 3%
Total Occurrences: 28
Element Occurrence Ranks:
A B C D X U
1 5 1 2 1 18
Occurrence Status:
Historical >20 Years 15
Recent <=20 Years 13
Presence:
Presumed Extant 27
Possibly Extirpated 0
Presumed Extirpated 1
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Alpine (3211677), Barrett Lake (3211666), Dulzura (3211667), El Cajon (3211678), El Cajon Mtn. (3211687), Jamul Mountains (3211668), Morena Reservoir (3211665), National City (3211761), Santa Ysabel (3311616), Tecate (3211656), Tule Springs (3211686)
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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