- Plants, People, and Culture: The Science of Ethnobotany
- Rainforest Remedies: One Hundred Healing Herbs of Belize
- Rodale's 21st-Century Herbal: A Practical Guide for Healthy Living Using Nature's Most Powerful Plants
- Messages from the Gods: A Guide to the Useful Plants of Belize
- Checklist of the Vascular Plants of Belize: With Common Names and Uses (Memoirs of the New York Botanical Garden Vol. 85)














