Taxon  Report   5919    
Ophioglossum californicum  Prantl
California adder's tongue,  California adderstongue
Ophioglossum californicum
© 2009 Andrew Borcher
Photos from
CalPhotos / Calflora
Ophioglossum californicum
© 2018 Ron Vanderhoff
Ophioglossum californicum
© 2015 Keir Morse
Ophioglossum californicum, a pteridophyte, is a fern (rhizomatous) that is native to California, is found only slightly beyond California borders, Baja California.
also called Ophioglossum lusitanicum ssp. californicum
California Rare Plant Rank: 4.2 (limited distribution).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Ophioglossum californicum
© 2018 Ron Vanderhoff
Communities: Chaparral, Valley Grassland, Freshwater Wetlands, wetland-riparian

Wetlands: Equally likely to occur in wetlands and non wetlands

Habitat: vernal-pools, edges

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Ophioglossum lusitanicum var. californicum
CNPS + PLANTS: Ophioglossum lusitanicum ssp. californicum
More information about  Ophioglossum californicum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 22, 2019).