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  1. Pteridophyta of Peru. Rolla M. Tryon, Robert G. Stolze ; contributed by Alan R. Smith. Part III, [Family] 16. Thelypteridaceae /
    By: Smith, Alan R. - Stolze, Robert G. - Tryon, Rolla Milton,
    Publication info: Chicago, Ill. :Field Museum of Natural History,c1992.
    Contributed by: University of Illinois Urbana Champaign
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  2. Pteridophyta of Peru. Rolla M. Tryon, Robert G. Stolze ; with the collaboration of: R. James Hickey, Benjamin Øllgaard. Part VI, 22. Marsileaceae-28. Isoetaceae /
    By: Hickey, Ralph James - Øllgaard, Benjamin. - Stolze, Robert G. - Tryon, Rolla Milton, - Field Museum of Natural History.
    Publication info: Chicago, Ill. :Field Museum of Natural History,1994.
    Contributed by: University of Illinois Urbana Champaign
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  3. Pteridophyta of Peru. Rolla M. Tryon, Robert G. Stolze ; with the collaboration of Blanca León. Part V. 18. Aspleniaceae-21. Polypodiaceae /
    By: Tryon, Rolla Milton,
    Publication info: Chicago, Ill. :Field Museum of Natural History,1993.
    Contributed by: University of Illinois Urbana Champaign
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  4. Pteridophyta of Peru. Rolla M. Tryon, Robert G. Stolze ; with the collaboration of John T. Mickel, Robbin C. Moran. Part IV, [Family] 17. Dryopteridaceae /
    By: Mickel, John. - Moran, Robbin C. - Stolze, Robert G. - Tryon, Rolla Milton,
    Publication info: Chicago, Ill. :Field Museum of Natural History,1991.
    Contributed by: University of Illinois Urbana Champaign
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  5. Pteridophyta of Peru. Rolla M. Tryon, Robert G. Stolze. Part I. [Family] 1. Ophioglossaceae - 12. Cyatheaceae /
    By: Stolze, Robert G. - Tryon, Rolla Milton,
    Publication info: Chicago, Ill. :Field Museum of Natural History,c1989.
    Contributed by: University of Illinois Urbana Champaign
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  6. Pteridophyta of Peru. Rolla M. Tryon, Robert G. Stolze. Part II. [Family] 13. Pteridaceae - 15. Dennstaedtiaceae /
    By: Stolze, Robert G. - Tryon, Rolla Milton,
    Publication info: Chicago, Ill. :Field Museum of Natural History,c1989.
    Contributed by: University of Illinois Urbana Champaign
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