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Natural Athens Home Page---Ferns Home Page

Ferns and Fern Allies

I've established this site on ferns and fern allies in order to communicate information from research that I've done, and hope that others find it useful. I welcome any feedback from other people interested.

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This page was last revised on November 21, 2017.

Subjects on the Knouse Fern Page:

Major Projects

Fern Book Bibliography

Selaginella Organization: a Working Project

Local Lists of Ferns and Fern Allies

Ferns and Fern Allies of Athens County, Ohio

Ferns and Fern Allies of Jefferson County, Kentucky

The Ferns and Fern Allies of the Red River Gorge, Kentucky

Ferns and Fern Allies of the Hocking Hills, Southeast Ohio (pdf)

Articles

A Fern by Any Other Name . . . (etymology of the word in western languages, pdf)
Ferns as Conservation Agents

Tables of Fern Hybrids

Hybrids of North American Asplenium Species
Hybrids of North American Dryopteris Species
Hybrids of Northern Temperate Polypodium Species
Hybrids of Northern Temperate Cystopteris Species

State and Federal Listings of Rare Species

US-Listed Pteridophytes
Canada

Ontario Provincially-Listed Pteridophytes

New England

Mid-Atlantic

New York State-Listed Pteridophytes
Pennsylvania State-Listed Pteridophytes
Maryland State-Listed Pteridophytes
West Virginia Pteridophytes: West Virginia does not maintain a state list; see the US list

Northwest Territories

Southeast

Kentucky Pteridophytes: Kentucky does not maintain a state list; see the US list

Midwest

Missouri State-Listed Pteridophytes