Summary ²

Gymnocarpium dryopteris (Western Oakfern, Common Oak Fern, Oak Fern or Northern Oak Fern) is a fern of the family Cystopteridaceae. It is widespread across much of North America and Eurasia. It has been found in Canada, the United States, Greenland, China, Japan, Korea, Russia, and most of Europe....

Sources and Credits

1. (c) Richard Droker, some rights reserved (CC BY-NC-ND), http://www.flickr.com/photos/29750062@N06/3782294019
2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Gymnocarpium_dryopteris

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• Go Botany
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• NatureServe Explorer 2.0
• NBN Atlas
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• VASCAN by Canadensys
• World Flora Online
• 日本のレッドデータ検索システム
• 植物和名−学名インデックス YList

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