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Directory Sites

Cannabis sativa L.
Section from the 1983 Handbook of Energy Crops covers the uses, description, germplasm, distribution, ecology, cultivation, harvesting, and other aspects of hemp and its production. Includes references.
www.hort.purdue.edu
Cannabis sativa L.
Image from Köhler's Medicinal Plants.
www.mobot.org
Cannabis sativa L.
Image from Botanical Department - University of Catania.
www.dipbot.unict.it
Ethnobotanical Leaflets - Cannabis: The Hemp Plant
A publication of Southern Illinois University Herbarium by Ernest G. Walker, Jr. on Cannabis sativa, Cannabis indica, and Cannabis ruderalis. With references.
www.siu.edu
Flora of North America - Cannabis sativa Linnaeus
Harvard University Flora Online. Includes description, line drawings, and U.S. distribution map.
flora.huh.harvard.edu
Wisconsin Vascular Plants: Species Details
Cannabis sativa L. hemp, Indian hemp.
www.botany.wisc.edu
Hemp: A New Crop with New Uses for North America
By Ernest Small and David Marcus. Reprinted from: Trends in new crops and new uses. 2002. p. 284–326. J. Janick and A. Whipkey (eds.). ASHS Press, Alexandria, VA. One of the best documents about Cannabis on the Web. (PDF file 14.1MB) (PDF)
www.hort.purdue.edu
Plant Profile for Cannabis sativa
Information from the USDA Plants database.
plants.usda.gov

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