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  1. A monograph of the genus Dryopteris /
    By: Christensen, Carl,
    Publication info: København :B. Lunos bogtr.,[1912-1919 [i.e. 1913-1920]
    Holding Institution: Multiple institutions
    Subjects: America  Aspleniaceae  Dryopteris  Pteridophyta  
    BHL Collections: New York Botanical Garden
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  2. Pteridophyta of Peru. Part IV, [Family] 17. Dryopteridaceae /
    By: Mickel, John. - Moran, Robbin C. - Stolze, Robert G. - Tryon, Rolla Milton Jr.
    Publication info: Chicago, Ill. :Field Museum of Natural History,1991.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Aspleniaceae  Dryopteris  Ferns  Peru  Pteridophyta  
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