Astragalus tener var. tener
Common Name: alkali milk-vetch
Family: Fabaceae
Element Code: PDFAB0F8R1
Full Name: Astragalus tener Gray var. tener

1991 Dean Wm. Taylor
Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 65
  • Element Occurrence Ranks:
    A B C D X U
    1 27 1 2 28 6
  • Population Status:
    >20 yrs
    <=20 yrs
    41 24
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    37 18 10
Notes Glossary
  • Threatened by development, competition from non-native plants, and habitat destruction, especially agricultural conversion. Possibly threatened by trampling. Potentially threatened by energy transmission line construction. See Proceedings of the American Academy of Arts and Sciences 6:206 (1864) for original description, and Systematic Botany 17(3):367-379 (1992) for distributional information.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1994-01-01
  • Last Update: 2010-03-15
Location Glossary
  • Elevation: 1 - 60 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Alameda (ALA),  Contra Costa (CCA) *,  Merced (MER),  Monterey (MNT) *,  Napa (NAP),  San Benito (SBT) *,  Santa Clara (SCL) *,  San Francisco (SFO) *,  San Joaquin (SJQ) *,  Solano (SOL),  Sonoma (SON) *,  Stanislaus (STA) *,  Yolo (YOL)
  • Quads:   name (DWR code) USGS code
    Salinas (365B)* 36121F6,  Hollister (385C)* 36121G4,  San Luis Ranch (403A) 37120B7,  Arena (422C) 37120C6,  Gustine (423C) 37120C8,  Stevinson (423D) 37120C7,  Crows Landing (424A)* 37121D1,  Milpitas (427B) 37121D8,  Mountain View (428A)* 37122D1,  Altamont (445B) 37121F6,  Hayward (447A)* 37122F1,  San Leandro (447B)* 37122F2,  Newark (447D)* 37122E1,  San Francisco South (448B)* 37122F4,  Stockton West (462A)* 37121H3,  Woodward Island (463A) 37121H5,  Byron Hot Springs (463C)* 37121G6,  Clifton Court Forebay (463D)* 37121G5,  Oakland East (465C)* 37122G2,  Richmond (466A)* 37122H3,  San Francisco North (466C)* 37122G4,  Oakland West (466D)* 37122G3,  Denverton (481B) 38121B8,  Honker Bay (481C) 38121A8,  Antioch North (481D) 38121A7,  Fairfield South (482A) 38122B1,  Cuttings Wharf (483A) 38122B3,  Petaluma River (484A)* 38122B5,  Petaluma (484B)* 38122B6,  Saxon (497B) 38121D6,  Dixon (498A)* 38121D7,  Elmira (498C) 38121C8,  Dozier (498D) 38121C7,  Fairfield North (499D)* 38122C1,  Napa (500D)* 38122C3,  Grays Bend (513B) 38121F6,  Davis (513C)* 38121E6
  • Notes:
      Definitions of codes preceding a county and/or quad:
      * Presumed extirpated
      ? Uncertain about distribution or identity
      ?* Uncertain about distribution, but presumed extirpated if once present
      (?) Occurrence confirmed, but possibly extirpated
      Species may be present in other areas where conditions are favorable.
Presumed Extant Presumed Extirpated or Unknown 1129
Links to Leading Resources of Taxon Information
Suggested Citation
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website [accessed ].

36121F6=Salinas (365B)* 36121F6;36121G4=Hollister (385C)* 36121G4;37120B7=San Luis Ranch (403A) 37120B7;37120C6=Arena (422C) 37120C6;37120C8=Gustine (423C) 37120C8;37120C7=Stevinson (423D) 37120C7;37121D1=Crows Landing (424A)* 37121D1;37121D8=Milpitas (427B) 37121D8;37122D1=Mountain View (428A)* 37122D1;37121F6=Altamont (445B) 37121F6;37122F1=Hayward (447A)* 37122F1;37122F2=San Leandro (447B)* 37122F2;37122E1=Newark (447D)* 37122E1;37122F4=San Francisco South (448B)* 37122F4;37121H3=Stockton West (462A)* 37121H3;37121H5=Woodward Island (463A) 37121H5;37121G6=Byron Hot Springs (463C)* 37121G6;37121G5=Clifton Court Forebay (463D)* 37121G5;37122G2=Oakland East (465C)* 37122G2;37122H3=Richmond (466A)* 37122H3;37122G4=San Francisco North (466C)* 37122G4;37122G3=Oakland West (466D)* 37122G3;38121B8=Denverton (481B) 38121B8;38121A8=Honker Bay (481C) 38121A8;38121A7=Antioch North (481D) 38121A7;38122B1=Fairfield South (482A) 38122B1;38122B3=Cuttings Wharf (483A) 38122B3;38122B5=Petaluma River (484A)* 38122B5;38122B6=Petaluma (484B)* 38122B6;38121D6=Saxon (497B) 38121D6;38121D7=Dixon (498A)* 38121D7;38121C8=Elmira (498C) 38121C8;38121C7=Dozier (498D) 38121C7;38122C1=Fairfield North (499D)* 38122C1;38122C3=Napa (500D)* 38122C3;38121F6=Grays Bend (513B) 38121F6;38121E6=Davis (513C)* 38121E6