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By: Christensen, Carl,Edition:Publication info: København, B. Lunos bogtr, [1912-1919 [i.e. 1913-1920]Volume: pt.1 (1912)Series:Holding Institution: Multiple institutionsSubjects: America Aspleniaceae Dryopteris PteridophytaBHL Collections:
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By: Mickel, John T. - Moran, Robbin Craig, - Stolze, Robert G. - Tryon, Rolla M. (Rolla Milton),Edition:Publication info: Chicago, Ill, Field Museum of Natural History, 1991Volume: n.s. no.27 (1991)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects: Aspleniaceae Dryopteris Ferns Peru PteridophytaBHL Collections: