The Way of Herbs and Planetary Herbology by Michael Tierra
Healing With the Herbs of Life by Lesley Tierra
Chinese Herbal Medicine Materia Medica by Bensky & Gamble
Western Herbs According to Traditional Chinese Medicine by Thomas Avery Garran
The Energetics of Western Herbs by Peter Holmes
The Divine Farmer's Materia Medica translated by Yand Shou-Zhong or Sabine Wilms
Native American Ethnobotany or Native American Medicinal Plants by Daniel Moerman
Iroquois Medical Botany by James W. Herrick
Plants of the Cherokee by William H. Banks
A Modern Herbal by Maude Grieve
The Secret of Chinese Pulse Diagnosis by Bob Flaws
Li Shi-Zhen's Pulse Studies by Li Shen-Qing & William Morris
The Plants of Pennsylvania by Ann Fowler Rhoads and Timothy A. Block
Manual of Vascular Plants of Northeast United States and Adjacent Canada by Henry Gleason & Arthur Cronquist
Medicinal Plants and Herbs by Steven Foster and James A. Duke – Peterson Field Guides
Fruit Key & Twig Key to Trees & Shrubs by William M. Harlow
The Audubon Society Field Guide to North American Wildflowers – Eastern Region
The Audobon Society Field Guide to North American Trees – Eastern Region
Wildflowers and Weeds by Booth Courtenay and James H. Zimmerman
Newcomb’s Wildflower Guide by Lawrence Newcomb
Healing With the Herbs of Life by Lesley Tierra
Chinese Herbal Medicine Materia Medica by Bensky & Gamble
Western Herbs According to Traditional Chinese Medicine by Thomas Avery Garran
The Energetics of Western Herbs by Peter Holmes
The Divine Farmer's Materia Medica translated by Yand Shou-Zhong or Sabine Wilms
Native American Ethnobotany or Native American Medicinal Plants by Daniel Moerman
Iroquois Medical Botany by James W. Herrick
Plants of the Cherokee by William H. Banks
A Modern Herbal by Maude Grieve
The Secret of Chinese Pulse Diagnosis by Bob Flaws
Li Shi-Zhen's Pulse Studies by Li Shen-Qing & William Morris
The Plants of Pennsylvania by Ann Fowler Rhoads and Timothy A. Block
Manual of Vascular Plants of Northeast United States and Adjacent Canada by Henry Gleason & Arthur Cronquist
Medicinal Plants and Herbs by Steven Foster and James A. Duke – Peterson Field Guides
Fruit Key & Twig Key to Trees & Shrubs by William M. Harlow
The Audubon Society Field Guide to North American Wildflowers – Eastern Region
The Audobon Society Field Guide to North American Trees – Eastern Region
Wildflowers and Weeds by Booth Courtenay and James H. Zimmerman
Newcomb’s Wildflower Guide by Lawrence Newcomb
An extended list and book list documents here.