Giant Trees - Tasmania’s World Class Forest Giants:
www.gianttrees.com.au/

The premier Australian Gymnosperm Database:
www.conifers.org/

The National Trust of Australia – Victoria has an excellent register of Significant Trees:
www.nattrust.com.au

An expert on eucalypts, and an arboretum doing excellent research:
www.dn.com.au

The ACT Government has a very comprehensive Tree Register:
http://www.tams.act.gov.au/live/environment/treeprotection/acttreeregister

Notable Trees of New Zealand
www.notabletrees.org.nz

How the mighty are fallen:
view article

Richard Preston on the giant trees:
www.ted.com/talks/richard_preston_on_the_giant_trees.html

A unique record of notable and ancient trees in Britain and Ireland
www.treeregister.org

A wonderful library of information for the tree lover
www.nativetreesociety.org

Big Trees of British Columbia, Canada:
bigtrees.forestry.ubc.ca/

Share, learn and interact with knowledgeable arborists:
www.treeworld.info

International Dendrology Society:
www.dendrology.org

Friendship Through Gardens:
www.gardenclubs.org.au