CNPS

CNPS Rare Plant Inventory

Species Details

Ophioglossum californicum

California adder's-tongue

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  Classification

Scientific Name:
Ophioglossum californicum Prantl
Common Name:
California adder's-tongue
Family: Ophioglossaceae
Element Code: PPOPH020G0
USDA Plants Symbol: OPCA8
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 4.2
Fed List: None
State List: None
Global Rank: G4
State Rank:
 S4
Other Status:
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2022-06-08

  Ecology and Life History

Lifeform: perennial rhizomatous herb
Blooming Period: Jan-Jun(Dec)
JFMAMJJASOND
Elevation:
60 - 525 meters
195 - 1725 feet
General Habitats:
  • Chaparral
  • Valley and foothill grassland
  • Vernal pools (margins)
Microhabitat Details:
Microhabitat:
  • Mesic

  Notes

Notes:
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 0
Total EOs % of EOs
EOs with Threat Listed: 0 0 %
THREAT LIST:

  Occurrence Data from the CNDDB

Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
Baja California (BA), California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX), Monterey (MNT), San Diego (SDG), Santa Barbara (SBA)
Quads: Name (Quad Code)
Barrett Lake (3211666), Del Mar (3211782), Dulzura (3211667), Encinitas (3311713), Escondido (3311711), Jamul Mountains (3211668), La Jolla (3211772), La Mesa (3211771), Lompoc (3412064), Otay Mesa (3211658), Otay Mountain (3211657), Point Loma (3211762), Poway (3211781), San Luis Rey (3311723), San Pasqual (3311618), San Vicente Reservoir (3211688), Santa Catalina North (3311844), Seaside (3612157)
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.
Regional Map

  Map

Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 19 April 2024].