Elm Research Institute -- http://www.libertyelm.com/
Nonprofit organization dedicated to the restoration of the American elm tree, Ulmus americana. Includes information about Dutch elm disease and the American Liberty elm, a group of cultivars with resistance to this fungal disease.
The Canadian Chestnut Council -- http://www.uoguelph.ca/~chestnut
Charitable organization to promote the American chestnut: organization and biological news.
Elmcare.com -- http://www.elmcare.com
Devoted to elm trees and elm care with sections dealing with diseases (including Dutch elm disease), new research, tree physiology and other elm-related information.
Saskatchewan Dutch Elm Disease Association -- http://www.sdeda.ca/
The SDEDA is an association created to preserve the American Elm in Saskatchewan. Provides information on Dutch Elm Disease and ways to battle the disease.
The American Chestnut Foundation -- http://www.acf.org/
Dedicated to the restoration of the American Chestnut through scientific breeding and cooperative research.
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