Gymnocarpium dryopteris
| Gymnocarpium dryopteris | |
|---|---|
 | |
| Conservation status | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Pteridophyta |
| Class: | Pteridopsida |
| Order: | Polypodiales |
| (unranked): | Eupolypods II |
| Family: | Cystopteridaceae |
| Genus: | Gymnocarpium |
| Species: | G. dryopteris |
| Binomial name | |
| Gymnocarpium dryopteris (L.) Newman | |
| Synonyms | |
|
Dryopteris dryopteris (L.) Britton | |
Gymnocarpium dryopteris (Western Oakfern, Common Oak Fern or Northern Oak Fern) is a fern of the family Cystopteridaceae.
Description
Gymnocarpium dryopteris has small, delicate fronds with ternately-compound pinnae (leaves). Fronds occur singly. On the underside of matured pinnae naked sori can be found. Grows to about 1ft in height.
Distribution
Common in the Canadian forests and the Northwestern United States. It is also found in Scotland and Scandinavia, Finland, and Russia.[1][2] Its name is debated also as gymnocarpium dysjunctum. Oakfern may be a translation of dryoteris.[citation needed]
This species, a forest understory plant, is not found in association with Quercus (oak).[3][4]
References
- ↑ "Gymnocarpium dryopteris". WTU Herbarium Image Collection. Burke Museum, University of Washington. Retrieved 2009-12-20.
- ↑ "Gymnocarpium dryopteris (L.) Newman". PLANTS Profile. United States Department of Agriculture; Natural Resources Conservation Service. Retrieved 2009-12-20.
- ↑ Plants of the Pacific Northwest Coast: Washington, Oregon, British Columbia & Alaska, Written by Paul Alaback, ISBN 978-1-55105-530-5
- ↑ Pojar, Jim; Andy MacKinnon (1994). Plants of the Pacific Northwest. Lone Pine Publishing. p. 423. ISBN 1-55105-042-0.
External links
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