We used the following resources to compile the herbal wiki and articles:
Large manual medicinal plants - Geert Verhelst
Ingrid's herbal book - Ingrid Kropf (http://www.kruidenboek.nl/)
Veterinary herbal medicine - Susan G. Wynn and Barbara J. Fougère
Feed your horse like a horse - Juliet M. Getty (https://gettyequinenutrition.com)