| The Herb Index | | An online guide for herbs and supplements, includes scientific names and contra-indications. |
| The Herb Society of America | | Provides history and purpose, membership information, projects, programs, publications, calendar, conferences and scholarships. Includes herb profiles, seed exchange forum, and plant collection information. |
| The Herbal Encyclopedia | | Alphabetical listing of healing herbs, with information about medicinal and religious uses, and culivation. Also provides articles about safety, storage, remedies, recipes, and special uses. |
| The Herbal Nexus | | Herbs, their uses, folklore, medical information, photos, and a bookstore. |
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