Plant Databases

Landscape Plants	This site contains images and information on over 900 landscape plants (mostly woody). Hosted by Oregon State University’s Department of Horticulture.
Plant Care	This is a database of over 2,600 species and genera of indoor plants. An illustrated guide – search by plant name or plant type.
Plant Facts	Several digital collections developed at Ohio State University have been merged, to become an international knowledge bank and multimedia learning center. It includes: Internet search engine - Most concentrated search engine dealing strictly with plants, with over 260,000 pages of information from every land-grant university in the U.S. and several government institutions across Canada; Images, a searchable database of high quality images featuring Ornamental plants, Turf, Plant Diseases, and Insects.
PlantFiles	This website claims to be the largest plant database in the world with 158,591 entries, 166,675 images and 83,130 comments. Currently, entries are from 384 families, 4,580 genera, 38,145 species, and 99,156 cultivars.
Roses	A website dedicated to information on roses, hosted by the Montreal Botanical Garden.