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. | | Cannabis sativa L.: Image from Köhler's Medicinal Plants. | | Cannabis sativa L.: Image from Botanical Department - University of Catania. | | 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. | | Flora of North America - Cannabis sativa Linnaeus: Harvard University Flora Online. Includes description, line drawings, and U.S. distribution map. | | Plant Profile for Cannabis sativa: Information from the USDA Plants database. | | Wisconsin Vascular Plants: Species Details: Cannabis sativa L. hemp, Indian hemp. |
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Classical
