Andean Botanical Information System
Blandy Experimental Farm
Brooklyn Botanic Garden
Careers in Botany
Digital Atlas of the Virginia Flora
Edith J. Carrier Arboretum
Electronic Botany, Plant Biology and Science Journals
Ericaceae of Ecuador

Flora of North America
Flora of the Southern and Mid-Atlantic States
Flora of Virginia Project

Harvard University Herbaria
Index Herbariorum
Index to Plant Chromosome Numbers
International Association for Plant Taxonomy
International Code of Botanical Nomenclature
Internet Directory for Botany
Linnaeus Exhibition - Hunt Institute for Botanical Documentation

Mendocino Coast Botanical Gardens
Missouri Botanical Garden

New York Botanical Garden
Ohio State University Plant Dictionary
Photo Atlas of Plant Anatomy
Smithsonian Institution Department of Botany
Synonymized Checklist of the Vascular Flora
Texas A&M University Vascular Plant Image Gallery
University of Wisconsin Image Collection
University of Wisconsin Plant Family Directory

Utah Valley State College Virtual Herbarium
Virginia Native Plant Society
Virginia Rare Plants
Virtual Herbarium