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  1. Pteridophyta, Gymnospermae and Monocotyledones / by O. Gelert and C.H. Ostenfeld.
    By: Gelert, O. - Ostenfeld, C. H.
    Publication info: Copenhagen :Nordiske forlag,1902.
    Contributed by: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
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