Calflora, a 501c3 non-profit
Distribution by County   5920    
Ophioglossum pusillum  Raf.
Northern adder's tongue,   Northern adderstongue
Ophioglossum pusillum is a fern (rhizomatous) that is native to California, and also found elsewhere in North America and beyond.
also called Ophioglossum vulgatum
California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).
Record Count by County

El Dorado: 6 Lake: 3 Mendocino: 7 Siskiyou: 2

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 06/13/2024).