Cannabis sativa - http://bioweb.uwlax.edu/bio203/s2009/beisker_shau/
Research project on hemp by Shauner Beisker at the University of Wisconsin-LaCrosse. |
Cannabis sativa - http://www.mobot.org/mobot/archives/image.asp?filename=GPN1982-0525.tif&returnto=homepage
A large plant, photographed in 1904. |
Cannabis sativa - http://ip30.eti.uva.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=1739
Photograph, diagnostic features, habitat and distribution of hemp. |
Cannabis sativa - http://www.botany.wisc.edu/cgi-bin/detail.cgi?SpCode=CANSAT&Genus=Cannabis&Family=Cannabaceae&Species=sativa&Common=hemp%2C%20Indian%20hemp%2C%20marijuana&photo=..%2Fphotos%2FCANSAT_RRK.jpg&thumbmaps=..%2Fthumbmap%2FCANSAT.gif&hand=
Photographs, Wisconsin range map, taxonomic synonyms and links to additional resources Indian hemp. From the Wisconsin State Herbarium. |
Cannabis sativa L. - http://www.hort.purdue.edu/newcrop/duke_energy/Cannabis_sativa.html
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. - http://www.dipbot.unict.it/orto/1037-1.html
Image from Botanical Department - University of Catania. |
Cannabis sativa: Indian Hemp - http://botanical.com/botanical/mgmh/h/hemind22.html
Information from Botanical.com on this poisonous plant, its description, constituents, medicinal action and uses. |
Ethnobotanical Leaflets - Cannabis: The Hemp Plant - http://www.siu.edu/~ebl/leaflets/hemp.htm
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 - http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=105522
Includes a description and a history of this plant in cultivation. |
Hemp: A New Crop with New Uses for North America - http://www.hort.purdue.edu/newcrop/ncnu02/pdf/small.pdf
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) |
Marijuana: Cannabis sativa - http://www.ppws.vt.edu/scott/weed_id/cnisa.htm
Photographs of varying stages in the growth of this perennial plant with its description and identifying characteristics. |
Plant Cultures: Hemp - http://www.plantcultures.org/plants/hemp_landing.html
A profile of Cannabis sativa, with information on its history, production and trade, medicinal and other uses. |
Plant Profile for Cannabis sativa - http://plants.usda.gov/java/profile?symbol=CASA3
Information from the USDA Plants database. |