The Online Manual of Subtropical Landscaping Plants prepared by the Horticulture students and staff at Palm Beach State College in Palm Beach Gardens, Florida.

Floridata is a photographic encyclopedia of landscape plants, an online plant & nature reference, and a gardening marketplace.

National Park Service - Medicinal Plants.

Purdue University - A Guide to Medicinal and Aromatic Plants

University of Florida - 50 Common Native Plants Important In Florida's Ethnobotanical History

USDA Agricultural Research Service - Taxonomy Query for GRIN Species Records