Echinacea - The Herbal Therapeutics Manual Online
Database of facts and research about Echinacea purpurea, including traditional uses, energetics, contraindications, and UpS alternatives.
Echinacea Links
Links to growers, manufacturers, books, plants and seeds, bulk material ordering, growing tips and general information.
Prairie Medicinal and Aromatic Plants Conference:
Alberta, Canada government pages including plant description, part used, constituents, mode of action, dosage, and toxicity.