Herbal Academy - offers several distance learning programs for a budding herbalist to an advanced program. Their programs are affordable and self paced.
School of Evolutionary Herbalism - offers in-depth online programs as well as live workshops on a broad spectrum of herbal traditions with a unique twist.
- Rosemary Gladstar's Medicinal Herbs: A Beginner's Guide: 33 Healing Herbs to Know, Grow, and Use
- Rosemary Gladstar's Herbal Recipes for Vibrant Health: 175 Teas, Tonics, Oils, Salves, Tinctures, and Other Natural Remedies for the Entire Family
- Peterson Field Guide to Medicinal Plants and Herbs of Eastern and Central North America, Third Edition (Peterson Field Guides)
- The Herbal Medicine-Maker's Handbook: A Home Manual by James Green
Herbal Articles & Research
Herb Craft - A very informative compilation of articles that were compiled by the Herbalist, Jim Mcdonald.
Herbs & Health - Articles by Christopher Hobbs that I find useful.