Black Swamp Conservancy
- Overview, history, map of protected lands, news and links.
- http://www.blackswamp.org/

Directory of Wetland Groups
- Provides information on Ohio wetlands, descriptions and links to land trusts and conservancy groups and includes the Ohio Wetland Restoration and Mitigation Strategy blueprint.
- http://www.dnr.ohio.gov/dnap/wetlands/directory.htm

Tecumseh Land Trust
- Conserving land in Greene and Clark Counties. Includes conservation options, easement information, and membership details.
- http://www.tecumsehlandtrust.org/