USDA Plants Website (an excellent site for checking plant names and distributions)

International Plant Names Index, or IPNI (look for species names, abbreviations, publications)

Preliminary Checklist of Mississippi Plants

Plant Photos

Global Biodiversity Information Facility, or GBIF (search databases worldwide for organisms)

Plant Phylogeny and Classification

Tree of Life (Phylogeny and Classification of Everything; in progress)

Botanical Dictionary 1 (Hunt Institute)

Botanical Dictionary 2 (UNC-Chapel Hill)

Dictionary of Botanical Epithets (names)

Index Herbariorum (list of all the world's plant museums and associated people)

More Botanical Links