SSE is saving heirloom garden seeds from extinction that gardeners and farmers brought to North America when their families immigrated, as well as traditional varieties grown by Native Americans, Mennonites and Amish. Information, links and catalogues on website.

Promoting and organising the preservation, free distribution and exchange of open-pollinated seeds.

Information about collecting and preserving cultivated food plants, endemic or acclimatised to Massachusetts and New England. Conservation and regional exchange by seed savers (CRESS), native seeds and other projects described.

Free online seed saving instructions. ISSI is dedicated to seed-saving education and self-reliance for peoples world-wide. Also offers O.P. seeds.

Workshops, information and links about heirloom and other open-pollinated vegetables that grow well in the southeastern U.S.

Site records work of NS/S to conserve, distribute and document the adapted and diverse varieties of agricultural seed, their wild relatives and the role these seeds play in cultures of the American Southwestern and northwest Mexico. Project reports, seeds for sharing and links included.

Site dedicated to preserving Australia's horticultural and garden heritage and advocating against corporate forces that are eroding this diversity. Seed lists, inventory, issues and membership details.

Introduction to California-based FCGP. Background and guide to techniques that will enable gardeners and farmers to participate in plant conservation and develop varieties of plants appropriate for regional conditions.

Canada's Heritage Seed Program - a non-profit group of gardeners who save seeds from rare and unusual garden plants for the purpose of preserving varieties in a living gene bank

Activist network engaged in protecting agricultural biodiversity and creating local food security