Species Details

Clarkia speciosa ssp. immaculata

Pismo clarkia

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Scientific Name:
Clarkia speciosa Lewis & Lewis ssp. immaculata Lewis & Lewis
Common Name:
Pismo clarkia
Family: Onagraceae
Element Code: PDONA05111
USDA Plants Symbol: CLSPI
Synonyms/Other Names:
CA Rare Plant Rank: 1B.1
Fed List: FE (1994-12-15)
State List: CR (1978-11-01)
Global Rank: G4T1
State Rank:
S1
Other Status: SB_CalBG/RSABG; SB_SBBG
CRPR Changes:
Add Date: 1980-01-01
Date Edited: 2021-11-05
Lifeform: annual herb
Blooming Period: May-Jul
Elevation:
25 - 185 meters
80 - 605 feet
General Habitat:
  • Chaparral (margins, openings)
  • Cismontane woodland
  • Valley and foothill grassland
General Micro Habitat:
Micro Habitat:
  • Sandy
Notes:
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.
Threats:
Taxonomy:
Other:
Total Occurrences: 26
Element Occurrence Ranks:
A B C D X U
2 8 3 1 5 7
Occurrence Status:
Historical >20 Years 12
Recent <=20 Years 14
Presence:
Presumed Extant 21
Possibly Extirpated 4
Presumed Extirpated 1
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Luis Obispo (SLO)
Quads: Name (Quad Code)
Arroyo Grande NE (3512025), Morro Bay South (3512037), Oceano (3512015), Pismo Beach (3512026)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Map

Presumed Extant
Counties   Quads