Open Directory Project - dendrology
Winter tree and shrub key (Digital Libraries)
Forest genetics and tree breeding (WWW Virtual Galery)
Bugwood Network (Bugwood.org)
Gymnosperm Database (Conifers.org)
Diversity of Life - gymnosperms (Gymnosperms.org)
International Dendrological Research Institute
Dendrological Society of South Africa
Deutsche Dendrologische Gesellschaft
Schweizerische Dendrologische Gesellschaft
—