Platanthera psycodes (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Platanthera psycodes" in English language version.

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Stoutamire, Warren P. (1974). "Relationships of the purple-fringed orchids Platanthera Psycodes and P. grandiflora". Brittonia. 26 (1): 42–58. doi:10.2307/2805919. JSTOR 2805919. S2CID 23029930.

Sheviak, Charles J. (2002). "Platanthera psycodes". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 26. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Stoutamire, Warren P. (1974). "Relationships of the purple-fringed orchids Platanthera Psycodes and P. grandiflora". Brittonia. 26 (1): 42–58. doi:10.2307/2805919. JSTOR 2805919. S2CID 23029930.

Stoutamire, Warren P. (1974). "Relationships of the purple-fringed orchids Platanthera Psycodes and P. grandiflora". Brittonia. 26 (1): 42–58. doi:10.2307/2805919. JSTOR 2805919. S2CID 23029930.

USDA, NRCS (n.d.). "Platanthera psycodes". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 7 October 2015.

Hapeman, Jeffrey R. (1996). "Platanthera psycodes (L.) Lindley". Orchids of Wisconsin. Department of Botany, University of Wisconsin–Madison.