Isocoma arguta
Common Name: Carquinez goldenbush
Family: Asteraceae
Element Code: PDAST57050
Full Name: Isocoma arguta Greene

2010 Doug Wirtz
Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 14
  • Element Occurrence Ranks:
    A B C D X U
    0 3 2 0 0 9
  • Population Status:
    >20 yrs
    <=20 yrs
    8 6
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    14 0 0
Notes Glossary
  • Threatened by grazing and trampling at Jepson Prairie Preserve. Treatened by development and agriculture elsewhere. See Manual of the Botany of the Region of San Francisco Bay, p. 175 (1894) by E. Greene for original description, and Phytologia 70(2):69-114 (1991) for taxonomic treatment.
  • 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: 2014-07-30
Location Glossary
  • Elevation: 1 - 20 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Solano (SOL)
  • Quads:   name (DWR code) USGS code
    Birds Landing (481A) 38121B7,  Denverton (481B) 38121B8,  Antioch North (481D) 38121A7,  Benicia (482C) 38122A2,  Elmira (498C) 38121C8,  Dozier (498D) 38121C7
  • 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 1264
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 ].

38121B7=Birds Landing (481A) 38121B7;38121B8=Denverton (481B) 38121B8;38121A7=Antioch North (481D) 38121A7;38122A2=Benicia (482C) 38122A2;38121C8=Elmira (498C) 38121C8;38121C7=Dozier (498D) 38121C7