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Letter to the Editor: Small, Ernest. 2015. Evolution and Classification of Cannabis sativa (Marijuana, Hemp) in Relation to Human Utilization. Botanical Review 81(3): 189-294

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Literature Cited

  • Bouquet, R. J. 1950. Cannabis. Bulletin on Narcotics 2(4): 14–30.

    Google Scholar 

  • Brickell, C. D., C. Alexander, J. C. David, W. L. A. Hetterscheid, A. C. Leslie, V. Malecot, X. Jin & J. J. Cubey. 2009. International code of nomenclature for cultivated plants. International Society for Horticultural Science, Leuven.

    Google Scholar 

  • Clarke, R. C. 1995. Hemp (Cannabis sativa L.) cultivation in the Tai’an District of Shandong Province, Peoples Republic of China. Journal of the International Hemp Association 2(2): 57, 60–65.

  • ——— 1981. Marijuana botany: an advanced study: the propagation and breeding of distinctive Cannabis. And/Or Press, Berkeley.

  • ——— 1998. Hashish! Red Eye Press, Los Angeles

    Google Scholar 

  • ——— 2006. Hemp (Cannabis) cultivation and use in the Republic of Korea. Journal of Industrial Hemp 11(1): 51–86.

  • ——— 2007. Traditional Cannabis cultivation in Darchula district, Nepal: seed, resin and textiles. Journal of Industrial Hemp 12(2): 19–42.

  • ——— & W. Gu 1998. Survey of hemp (Cannabis sativa L.) use by the Hmong (Miao) of the China/Vietnam border region. Journal of the International Hemp Association 5(1): 1, 4–9.

  • ——— & M. D. Merlin. 2013. Cannabis: evolution and ethnobotany. University of California Press, Los Angeles and Berkeley.

    Google Scholar 

  • ——— & D. P. Watson. 2002. Botany of natural Cannabis medicines. Pp 1–14. In: F. Grotenhermen & E. Russo (eds). Cannabis and cannabinoids: pharmacology, toxicology, and therapeutic potential. Haworth Integrative Healing Press, New York.

  • Haney, A. & F. A. Bazzaz. 1970. Some ecological implications of the distribution of hemp (Cannabis sativa L.) in the United States of America. Pp 39–48. In: C. R. B. Joyce & S. H. Curry (eds). The botany and chemistry of cannabis. J. & A. Churchill, London.

    Google Scholar 

  • Hillig, K. W. 2004a. A chemotaxonomic analysis of terpenoid variation in Cannabis. Biochemical Systematics and Ecology 32: 875–891.

  • ——— 2004b. A multivariate analysis of allozyme variation in 93 Cannabis accessions from the VIR germplasm collection. Journal of Industrial Hemp 9(2): 5–22.

  • ——— 2005. Genetic evidence for speciation in Cannabis (cannabaceae). Genetic Research and Crop Evolution 52(2): 161–180.

  • Inam, B., F. Hussain & F. Bano. 1989. Cannabis sativa L. is allelopathic. Pakistan Journal of Scientific and Industrial Research 32: 617–620.

    Google Scholar 

  • Krings, M., T. N. Taylor & D. W. Kellogg. 2002. Touch-sensitive glandular trichomes: a mode of defense against herbivorous arthropods in the carboniferous. Evolutionary Ecology Research 4: 779–786.

    Google Scholar 

  • Lausen, L. 2015. The cultivation of weed. “Cannabis” in Nature Outlook, Nature 525: S4–S5.

  • McNeill, J., F. R. Barrie, W. R. Buck, V. Demoulin, W. Greuger, D. L. Hawksworth, P. S. Herendeen, S. Knapp, K. Marhold, J. Prado, W. F. Prud’homme van Reine, G. F. Smith, J. H. Wiersema & N. J. Turland. (eds.). 2012. International code of nomenclature for algae, fungi, and plants (Melbourne Code). Koenigstein, Germany: Koelz Scientific Books. (Regnum Vegetabile 154.) (Accessed July 10, 2015.)

  • McPartland, J. M. 1997. Cannabis as repellent and pesticide. Journal of the International Hemp Association 4(2): 87–92.

  • ——— & G. W. Guy. 2004. The evolution of Cannabis and coevolution with the cannabinoid receptor – a hypothesis. Pp 71–101. In: G. W. Guy, B. A. Whittle, & P. J. Robson (eds). The medicinal uses of cannabis and cannabinoids. Pharmaceutical Press, London.

  • ———, R. C. Clarke & D. P. Watson. 2000. Hemp diseases and pests: management and biological control. CABI, Wallingford.

    Book  Google Scholar 

  • Small, E. 1972. Interfertility and chromosomal uniformity in Cannabis. Canadian Journal of Botany 50:1947–1949.

  • ——— 1975. Morphological variation of achenes of Cannabis. Canadian Journal of Botany 53: 978–987.

  • ——— 2015. Evolution and classification of Cannabis sativa (marijuana, hemp) in relation to human utilization. Botanical Reviews 81(3): 189-294.

    Article  Google Scholar 

  • ——— & T. Antle. 2003. A preliminary study of pollen dispersal in Cannabis sativa. Journal of Industrial Hemp 8(2): 37–50.

    Article  Google Scholar 

  • ——— & A. Cronquist. 1976. A practical and natural taxonomy for Cannabis. Taxon 25: 405–435.

  • ——— & D. Marcus. 2003. Tetrahydrocannabinol levels in hemp (Cannabis sativa) germplasm resources. Economic Botany 57: 545–558.

    Article  CAS  Google Scholar 

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Correspondence to Robert C. Clarke.

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Clarke, R.C., Merlin, M.D. Letter to the Editor: Small, Ernest. 2015. Evolution and Classification of Cannabis sativa (Marijuana, Hemp) in Relation to Human Utilization. Botanical Review 81(3): 189-294. Bot. Rev. 81, 295–305 (2015).

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