Royal Horticultural Society - Royal Horticultural Society
- 21 nov 2014
- https://www.rhs.org.uk/plants/search-form
- Royal Horticultural Society
Germplasm Resources Information - Germplasm Resources Information
- 21 nov 2014
- http://www.ars-grin.gov/
- U.S. Department of Agriculture
Rosemary Gladstar's Herbal Recipes for Vibrant Health - Rosemary Gladstar's Herbal Recipes for Vibrant Health
- Rosemary Gladstar
- 2008
- Storey Publishing
- 390
Medicinal Plants of the World - Medicinal Plants of the World
- Ben-Erik van Wyk
- Michael Wink
- 2010
- Timber Press
- 4th
- 480
USDA Nutrient Database - USDA Nutrient Database
- U.S. Department of Agriculture
- 02 oct 2014
- http://ndb.nal.usda.gov/ndb/search/list
FAOSTAT - FAOSTAT
- Food and Agriculture Organization of the United Nations
- 02 oct 2014
- http://faostat3.fao.org/faostat-gateway/go/to/home/E
Backyard Medicine - Backyard Medicine
- Julie Bruton-Steal & Matthew Seal
- circa 11 ago 2009
- Skyhorse Publishing
- 1st
- 206
