E-Flora BC: Electronic Atlas of the Flora of British Columbia

Ophioglossum pusillum Raf.
northern adder's-tongue (northern adderstongue)
Ophioglossaceae (Adder's-tongue family)

Introduction to Vascular Plants

© Jeremy Gatten  Email the photographer   (Photo ID #25116)

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Distribution of Ophioglossum pusillum
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Species Information

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Deciduous perennial, 5-20 cm tall.
Arising at ground level, 2.5-4.5 times length of trophophores.
Lanceolate or egg-shaped, tapered to a stalk, simple, with entire margin.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Periodically flooded wet meadows, vernal pools and lake margins in the lowland and montane zones; rare in S BC; N to AK, disjunct E to ON, PQ,NB and NS and S to MA, NH, PA, NC, IA, NE, MT and OR.

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Ophioglossum alaskanum
Ophioglossum vulgatum L.
Ophioglossum vulgatum var. alaskanum (E.G. Britton) C. Chr.
Ophioglossum vulgatum var. pseudopodum (S.F. Blake) Farw.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References