The D.C. Herbarium, maintained by the Smithsonian Institution, is a collection of those plants found in the Washington, D.C. - Baltimore, MD region. This Web site allows users to query the online database for plants of interest and includes an image and distribution map for most species, and an estimated map location for most specimens. The site also contains an image gallery of D.C. area flora...

Dr. Mark Brand of the University of Connecticut offers this multimedia plant database, which features many of the plants found on college campuses in the northeastern US. Designed with a horticultural flavor and featuring many exotic ornamental species (as well as some natives), the heart of the site is the hyperlinked lists of plant names (common and Latin), with associated species accounts. Each...