Taxon  Report   5920 
Ophioglossum pusillum  Raf.
Northern adder's tongue,  Northern adderstongue
Ophioglossum pusillum
© 2004 Dean Wm. Taylor
Click on a photo to see it bigger.
Ophioglossum pusillum, a pteridophyte, is a fern (rhizomatous) that is native to California and is also found elsewhere in North America and beyond.
CNPS Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Ophioglossum pusillum
© 2009 Dr. Amadej Trnkoczy
Valley Grassland, Freshwater Wetlands, wetland-riparian
Habitat: freshwater-marsh, edges
Wetlands: Occurs usually in wetlands, occasionally in non wetlands
Distribution by County 

Add an Observation of  Ophioglossum pusillum

Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Ophioglossum vulgatum var. alaskanum
PLANTS: Ophioglossum vulgatum var. pseudopodum
CNPS + PLANTS: Ophioglossum vulgatum
More information about  Ophioglossum pusillum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Feb 17, 2018).

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