Chorizanthe biloba var. immemora
Common Name: Hernandez spineflower
Family: Polygonaceae
Element Code: PDPGN04025
Full Name: Chorizanthe biloba Goodm. var. immemora Rev. & Hardham

2011 Chris Winchell
Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 5
  • Element Occurrence Ranks:
    A B C D X U
    0 0 0 0 0 5
  • Population Status:
    >20 yrs
    <=20 yrs
    4 1
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    5 0 0
Notes Glossary
  • Known from approximately five occurrences. See Phytologia 66(2):137-139 (1989) for original description.
  • 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: 2015-01-26
Location Glossary
  • Elevation: 600 - 800 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Fresno (FRE),  Monterey (MNT),  San Benito (SBT)
  • Quads:   name (DWR code) USGS code
    Cholame Hills (292C) 35120G4,  Sherman Peak (316A) 36120B5,  Priest Valley (316B) 36120B6,  Smith Mountain (316D) 36120A5,  Rock Spring Peak (340B) 36120D8,  Hepsedam Peak (340D) 36120C7,  Hollister (385C) 36121G4
  • 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 1619
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 ].

35120G4=Cholame Hills (292C) 35120G4;36120B5=Sherman Peak (316A) 36120B5;36120B6=Priest Valley (316B) 36120B6;36120A5=Smith Mountain (316D) 36120A5;36120D8=Rock Spring Peak (340B) 36120D8;36120C7=Hepsedam Peak (340D) 36120C7;36121G4=Hollister (385C) 36121G4