Extriplex joaquinana

San Joaquin spearscale, San Joaquin saltbush

Rarity

CNPS-EB: *A2
State CNPS: 1B.2
Global Rank: G2
CNDDB Rank: S2

22 current natural populations

Criteria:
  • Limited/Threatened Habitat

Ecology

Flowers April - September
Habitats:
  • Alkali Areas
  • Grassland (Annual or Perennial)
  • Miscellaneous Wetlands

All Extriplex

  • E. californica (A1x)
  • E. joaquinana
  • Synonyms

    • Atriplex joaquinana
    • Atriplex patula subsp. spicata
    • Atriplex spicata var. lagunita

    Populations

    Key
    LocationPop IDLast RecordedNotes
    Bethany Reservoir - S of Byron192009-08-28
    Brushy Peak - EBRPD52021-09-01
    Byron - other or unknown sites202009-06-25
    Discovery Bay222008-04-23
    Discovery Bay232008-09-23
    Discovery Bay242008-09-23
    Dublin, E of 680, N of 58092006-04-30
    Livermore - other or unknown sites72011-06-20
    Livermore Valley62008-08-27
    Los Vaqueros Watershed162003-04-27
    Los Vaqueros Watershed212008-04-25
    Los Vaqueros Watershed292022-02-25
    Marsh Creek Reservoir252008-04-25
    Martinez, East of Benecia Bridge22011-06-23
    San Ramon, East of 68082012-08-01
    Sand Creek32002-12-31
    Springtown Wetlands Preserve112021-06-28
    Vasco Road, North - CCA Co132008-04-24
    Vasco Road, North - CCA Co142008-04-22
    Vasco Road, North - CCA Co152010-08-11
    Vasco Road, South - ALA Co122023-04-15
    Warm Springs, Fremont282011-07-07
    Altamont Pass41862-05-31Historic
    Antioch - other or unknown sites11934-04-08Historic
    Byron Hot Springs area181996-12-31Historic
    Los Vaqueros Watershed171988-12-31Historic
    Marsh Creek - other or unknown sites261922-12-31Historic
    Oakland Shoreline271929-06-30Historic
    San Ramon, East of 680101999-12-31Historic