From the Missouri Botanical Gardens, this Web site provides a classification of angiosperms that can be navigated either by phylogenic tree, Order, or Family. A detailed description of the classification system is...

Created by an enthusiast, this site is a unique compilation of botanical etymology from a broad range of sources. The list focuses on plants found in Southern California, but "many if not most of these names are in...

This botanical database, offered through the University of York with support from the British Ecological Society and the Natural Environment Research Council, contains data for over 1700 species found in the British...

A collaborative project of the Missouri Botanical Garden, Pontificia Universidad Catolica del Ecuador, the Museo Ecuatoriano de Ciencias Naturales, and Aarhus University, this Internet version of the _Catalogue of the...