Species Details

Astragalus geyeri var. geyeri

Geyer's milk-vetch

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Scientific Name:
Astragalus geyeri Gray var. geyeri
Common Name:
Geyer's milk-vetch
Family: Fabaceae
Element Code: PDFAB0F3M1
USDA Plants Symbol: ASGEG
Synonyms/Other Names:
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G4T4
State Rank:
S2
Other Status:
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
Add Date: 1974-01-01
Date Edited: 2021-08-25
Lifeform: annual herb
Blooming Period: May-Aug
JFMAMJJASOND
Elevation:
1160 - 1980 meters
3805 - 6495 feet
General Habitats:
  • Chenopod scrub
  • Great Basin scrub
Microhabitat Details:
Microhabitat:
  • Sandy
Notes:
Possibly threatened by grazing and pipeline construction. State-listed as Sensitive in WA. See Memoirs of the New York Botanical Garden 13:894-895 (1964) for taxonomic treatment.
Threats:
Taxonomy:
Threat List Total: 6
Total EOs % of EOs
EOs with Threat Listed: 19 79 %
THREAT LIST:
Other 15 62%
Grazing 3 12%
ORV activity 2 8%
Road/trail construction/maint. 2 8%
Mining 1 4%
Total Occurrences: 24
Element Occurrence Ranks:
A B C D X U
0 6 2 1 0 15
Occurrence Status:
Historical >20 Years 23
Recent <=20 Years 1
Presence:
Presumed Extant 24
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), California (CA), Colorado (CO), Idaho (ID), Montana (MT), Nevada (NV), Oregon (OR), Utah (UT), Washington (WA), Wyoming (WY)
California Counties and Islands: Name (Code)
Inyo (INY), Lassen (LAS), Mono (MNO)
Quads: Name (Quad Code)
Blackrock (3611882), Calneva Lake (4012021), Chocolate Mtn. (3711748), Deep Springs Lake (3711831), Doyle (4012011), Herlong (4012022), Indian Garden Creek (3711758), Little Mud Flat (4012042), Shaffer Mtn. (4012043), Wendel (4012032), Wendel Hot Springs (4012033), Wildrose Peak (3611731)
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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