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  1. The flora of Disko Island and the adjacent coast of West Greenland from 66-71 N. lat. : with remarks on phytogeography, ecology, flowering, fructification and hibernation /
    By: Porsild, Morten P. (Morten Pedersen), - Porsild, A. E.
    Publication info: København :B. Lunos bogt.,1920 [i.e. 1926]-
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
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  2. Vascular plants of continental Northwest Territories, Canada /
    By: Porsild, A. E. - Cody, William J.
    Publication info: Ottawa :National Museum of Natural Sciences, National Museums of Canada,c1980.
    Holding Institution: Smithsonian Libraries
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