Botany - the Encyclopedia of Plants

Flora Danica Online (Danmarks Natur - og Lægevidenskabelige Bibliotek)

Missouri Botanical Garden's VAST (VAScular Tropicos) nomenclatural database

Multilingual Multiscript Plant Name Database, The University of Melbourne

New Crop Resource Online Program (Purdue University)

Plants Database, Natural Resources Conservation Service (United States Department of Agriculture)

Plants for a Future

Royal Horticultural Society

Snape Cottege Plantsman Cottage

The Virtual Library of Botany/Plant Biology (Biosciences), University of Oklahoma

Viburnum opulus (Guelder Rose)
© Helen S Miller
Click here for more information