Electronic plant identification resources at Kew
Interactive keys
Flowering plant families of the Neotropics (Neotropikey)
Neotropical Malvaceae (Malvoideae)
Flowering plant families of Malesia
Genera of Arecaceae (worldwide)
Genera of Euphorbiaceae (worldwide)
Genera of Lamiaceae (worldwide)
Genera of Ochnaceae (worldwide)
Genera of Salicaceae (syn. Flacourtiaceae) and Achariaceae sensu lato (worldwide)
The genus Croton in Madagascar and the Comoros Islands
