Last updated Sep2025.
Herbalist sites
- Michael Moore
Southwest School of Botanical Medicine
with quality information on herbal medicine, including manuals, old herbal texts, and images. - Paul Bergner
North American Institute of Medical Herbalism
Medical Herbalism, one of the very best periodicals for the herbalist. - Michigan herbalist Jim McDonald
interesting in-depth articles about a few plants. - Rosalee de la Foret
 - Katja Swift and Ryn Midura
with their CommonWealth Center for Holistic Herbalism school.
Very interesting articles. - 7song
the Northeast School of Botanical Medicine
with articles and photos. - Robin Rose Bennett
some good herbal articles. 
Herbalist organizations:
- The American Herbalists Guild (AHG)
 - The National Institute of Medical Herbalists (NIMH)
 - The National Herbalists Association of Australia (NHAA)
 - The Ontario Herbalists Association (OHA)
 - The International Register of Consultant Herbalists and Homoeopaths (in the UK)
 - The New Zealand Association of Medical Herbalists (NZAMH)
 
Databases
- Jim Duke's Phytochemical and Ethnobotanical Databases
 - Dan Moerman's Native American Ethnobotany Database
 
Other
- The Herb Society of America
 - The UK Herb Society, with a good forum
 - Tapes of herbal conferences
 
Botany
Need to find a new scientific name from an old book, or see which plants are actually identical nowadays?
- The GRIN taxonomy database.
 - For plants found wild somewhere in the US, your best bet is the USDA Plants database.
 - Also check The Plant List.
 - For Finnish wild plants, there's Luontoportti.
 - The Index Fungorum also covers lichens.
 - Algaebase is an excellent site for algae.
 - For Fabaceae, the best database is Ildis.