Clarkia speciosa ssp. immaculata
Common Name: Pismo clarkia
Family: Onagraceae
Element Code: PDONA05111
Full Name: Clarkia speciosa Lewis & Lewis ssp. immaculata Lewis & Lewis

2015 Aaron Schusteff
Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 26
  • Element Occurrence Ranks:
    A B C D X U
    2 8 3 1 5 7
  • Population Status:
    >20 yrs
    <=20 yrs
    9 17
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    21 4 1
Notes Glossary
  • Threatened by development and road maintenance, and possibly by grazing. USFWS uses the name C. speciosa var. immaculata. See University of California Publications in Botany 20:291 (1955) 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: 1980-01-01
  • Last Update: 2013-05-09
Location Glossary
  • Elevation: 25 - 185 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    San Luis Obispo (SLO)
  • Quads:   name (DWR code) USGS code
    Arroyo Grande NE (221A) 35120B5,  Pismo Beach (221B) 35120B6,  Oceano (221D) 35120A5,  Morro Bay South (247D) 35120C7
  • 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 170
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 ].

35120B5=Arroyo Grande NE (221A) 35120B5;35120B6=Pismo Beach (221B) 35120B6;35120A5=Oceano (221D) 35120A5;35120C7=Morro Bay South (247D) 35120C7