CyberKeys
Interactive Plant Family ID Key - Biology 211: Taxonomy of Flowering Plants at Colby CollegeThonner's Key to the Families of Flowering Plants
Dr. Cooney's An Advanced Field Guide to Wildflowers of the Northeast Combining Field and Systematic Botany Accessing Gleason and Cronquist (1991 and 1998) By Identifying Plant Families
Key to the Genera of Woody Plants (Brooklyn Botanic Garden New York Metropolitan Flora project)
Flora of North America Online Treatments: (Ferns and Fern allies) Pteridophytes, Conifers (Gymnosperms), Magnoliophyta.
Keys to Some Common Trees of the Lewisburg {PA} Area Abrahmson, Bucknell University, bi-330
What Tree Is That? National Arbor Day Foundation
Key to Gymnosperms- Flora of Carolinas and Virginia
Key to Ferns and Fern Allies- Flora of Carolinas and Virginia
Festuca of North America: Descriptions, Illustrations, Identifications and Information Retrieval Aiken, S.G., Dallwitz, M.J., McJannet, C.L. and Consaul, L.L. (1996 and onwards)
Keys to Drosera
On-Line Key to the Lemnaceae Wayne Armstrong
Fruit Key CSU BioWeb
Bay Grass Identification Key Maryland Department of Natural Resources
Identification CollagesPine Cone Identification Page [Gymnosperms] University of Delaware Botanic Garden (identification collage; images load slowly)
Oak Identification [Quercus] University of Delaware Botanic Garden (identification collage; images load slowly)
Magnolia Identification University of Delaware Botanic Garden (identification collage; images load slowly)
Book Keys
(A more Detailed list is UNDER CONSTRUCTION)
Selected Books/Guides for Plant Identification in Virginia Stan Shetler, Virginia Native Plant Society
Edits and Supplements to Floras
Frodin, D. G. 1984. Guide to Standard Floras of the World. New York: Cambridge University Press. "An annotated, geographically arranged systematic bibliography of the principal floras, enumerations, checklists, and chorological atlases of different areas."
Back to the Beginning of Charlie's Mid-Atlantic Plant Identification Guide