Societies: Ecological Society of Australia, Australian Society of Plant Scientists, Society of Australian Systematic Biologists, Australasian Evolution Society, Ecological Society of America, New Zealand Ecological Society, Association for Tropical Biology, Smithsonian Tropical Research Institute, British Ecological Society.

Taxonomy & Phylogeny: PHYLOMATIC, APNI - Australian Plant Name Index, IPNI - International Plant Name Index, W3 Tropicos, PlantNET (NSW), The Phylodiversity Network, Angiosperm Phylogeny Website (APweb), Australia's virtual herbarium, Australian plant census, Worldwide flowering plant family IDs, Tree of Life, Internet directory for botany (checklists, floras, taxonomic databases, vegetation)

Some research groups, here & elsewhere: PICCEL (Hughes group, Macquarie Uni), PIREL (Leishman group, Macquarie Uni). Ackerly lab (Berkeley), Reich lab (Minnesota), Enquist lab (Arizona), Green lab (Oregon).

Botanical Gardens: Botanic Gardens Trust (Sydney), Australian National Botanical Gardens, Missouri Botanical Garden, Currency Creek Arboretum (Eucalypt Research Centre).

Other: Suppliers of Australian plant seeds, World Register of Field Centres for ecological research.