Taxon Details

Astragalus rattanii var. rattanii

Rattan's milk-vetch

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Taxon Summary:

Astragalus rattanii var. rattanii, commonly known as Rattan's milk-vetch, is a perennial herb in the Fabaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, and Lower montane coniferous forest, growing at elevations from 30 to 825 meters. Astragalus rattanii var. rattanii is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Lifeform: perennial herb
Blooming Period: Apr-Jul
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Elevation:
30 - 825 meters
100 - 2705 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
  • Lower montane coniferous forest
Microhabitat Details:
Microhabitat:
  • Gravelly
  • Streambanks
Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Colusa (COL), Humboldt (HUM), Mendocino (MEN), Plumas (PLU), Trinity (TRI)
Quads: Name (Quad Code)
Arcata North (4012481), Black Lassic (4012335), Blake Mountain (4012355), Bluenose Ridge (3912382), Brushy Mtn. (3912352), Dinsmore (4012345), Dos Rios (3912363), Gualala (3812375), Hales Grove (3912377), Hull Mountain (3912258), Leggett (3912376), Mad River Buttes (4012367), Newhouse Ridge (3912371), Noble Butte (3912386), Scotia (4012441), Stover Mtn. (4012133), Thatcher Ridge (3912361), Wilbur Springs (3912214), Zenia (4012324)
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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Species Account: Astragalus rattanii var. rattanii profile for potential Species of Conservation Concern evaluation (2018)
Other: Systematic Botany 17(3):367-379 (1992) for distributional information

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