CNPS

CNPS Rare Plant Inventory

Species Details

Astragalus miguelensis

San Miguel Island milk-vetch

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  Classification

Scientific Name:
Astragalus miguelensis Greene
Common Name:
San Miguel Island milk-vetch
Family: Fabaceae
Element Code: PDFAB0F5C0
USDA Plants Symbol: ASMI6
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 4.3
Fed List: None
State List: None
Global Rank: G4
State Rank:
 S4
Other Status: SB_CalBG/RSABG; SB_CRES; SB_USDA
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2022-12-06

  Ecology and Life History

Lifeform: perennial herb
Blooming Period: Mar-Jul
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Elevation:
3 - 150 meters
10 - 490 feet
General Habitats:
  • Coastal bluff scrub
  • Coastal dunes
  • Coastal scrub
Microhabitat Details:
Microhabitat:

  Notes

Notes:
Blooms intermittently throughout the year. See Pittonia 1:33 (1887) for original description.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 0
Total EOs % of EOs
EOs with Threat Listed: 0 0 %
THREAT LIST:

  Occurrence Data from the CNDDB

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

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX), Santa Barbara (SBA), Ventura (VEN)
Quads: Name (Quad Code)
Anacapa Island (3311983), San Clemente Island Central (3211874), San Clemente Island North (3211885), San Clemente Island South (3211873), San Miguel Island East (3312083), San Miguel Island West (3312084), Santa Cruz Island A (3311987), Santa Cruz Island D (3311984), Santa Rosa Island East (3311988), Santa Rosa Island North (3312081), Santa Rosa Island West (3312082)
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.
Regional Map

  Map

Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 8 November 2024].