New York University - Langone Medical Center - NYU Langone Medical Center
- 21 nov 2014
- http://www.med.nyu.edu/
- http://www.med.nyu.edu/content?ChunkIID=33341
Encyclopedia Britannica Online - Encyclopedia Britannica Online
- 20 nov 2014
- http://www.britannica.com/
- Encyclopædia Britannica, Inc
Medicinal Plants of the World - Medicinal Plants of the World
- Ben-Erik van Wyk
- Michael Wink
- 2010
- Timber Press
- 4th
- 480
Encyclopedia of Natural Medicine - Encyclopedia of Natural Medicine
- Michael Murray
- Joseph Pizzorno
- 1998
- Three Rivers Press
- Revised 2nd edition
- 946
NCCAM Herbs at a Glance - NCCAM Herbs at a Glance
- National Center for Complementary and Integrative Health
- https://nccih.nih.gov/health/herbsataglance.htm
MedlinePlus Herbs and Supplements - MedlinePlus Herbs and Supplements
- National Institutes of Health
- 2014
- http://www.nlm.nih.gov/medlineplus/druginfo/herb_All.html
Encyclopedia of Herbal Medicine - Encyclopedia of Herbal Medicine
- Andrew Chevallier
- 2000
- Dorling Kindersley Adult
- 2nd
- 336
USDA Plants Database - USDA PLANTS DATABASE
- Natural Resources Conservation Service
- 23 jul 2014
- http://plants.usda.gov/java
- United States Department of Agriculture (USDA)
Edible and Medicinal Plants of the Rockies - Edible and Medicinal Plants of the Rockies
- Linda Kershaw
- 2004
- Lone Pine Publishing
- 272



