WILD FLOWER DATABASE - Find Wildflowers Online.
www.reticule.co.uk
This site helps you identify wild plants. You enter the characteristics of the plant you want to identify in a form and press search, information is returned from the database, some plants also have images.

WILD PLANT CHARITY - Plantlife
www.plantlife.org.uk
Dedicated exclusively to conserving all forms of plant life in its natural habitat.