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

Botrypus virginianus
rattlesnake fern
Ophioglossaceae (Adder's-tongue family)

Introduction to Vascular Plants

Distribution of Botrypus virginianus
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Species Information

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Illustration Source: The Illustrated Flora of British Columbia

General:
Deciduous perennial, (5) 10-40 cm tall.

Sporophores:
2-pinnate, 0.5-1.5 times length of trophophores.

Trophophores:
Triangular, unstalked, deciduous, thin, herbaceous, divided in 3's or 3- to 4-pinnate, up to 25-35 cm long and about as wide; pinnae to 12 pairs, approximate to overlapping; pinnules lanceolate with saw-toothed margins and pointed tips.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to wet alluvial forests and swamps and river banks in the lowland, steppe and montane zones; frequent throughout BC; circumpolar, N to AK, YT and NT, E to NF and S throughout all of the U.S.; Eurasia.

Source: The Illustrated Flora of British Columbia

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Native	S5	Yellow	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer, the authoritative source for conservation information in British Columbia.

Synonyms and Alternate Names

Botrychium virginianum (L.) Sw.

Taxonomic and Nomenclatural Links

Flora North America treatment for Ophioglossaceae
Genetic information (NCBI Taxonomy Database)
International Plant Names Index
Taxonomic Information from the World Flora Online

Additional Range and Status Information Links

Burke Museum of Natural History (Washington State records)
CalFlora
Consortium of Pacific Northwest Herbaria records
Jepson Interchange
NatureServe Explorer

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
Google Image Search
Flickr Image Search

General References

Google Scholar Search
Family References
General Botanical References for BC

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-05-16 9:49:52 PM ]

Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.