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  1. By: Ferreyra, Ramón - Macbride, J. Francis (James Francis),
    Publication info: Chicago, Field Museum of Natural History, 1995
    Holding Institution: University Library, University of Illinois Urbana Champaign
    BHL Collections: Fieldiana: The Flora of Peru
  1. By: Ferreyra, Ramón
    Type: Article
    In: Fieldiana
    Volume: 35
    Date: 1995-05-31
    Page Range: 1--101
    Publication Info: [Chicago], Chicago Natural History Museum, 1958-
  2. By: Ferreyra, Ramón
    Type: Article
    In: Phytologia
    Volume: 69
    Date: 1990
    Page Range: 354--360
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  3. By: Ferreyra, Ramón
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 25
    Issue: 3
    Date: 1944
    Page Range: 349--395
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  4. By: Ferreyra, Ramón
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 27
    Issue: 2
    Date: 1946
    Page Range: 123--167
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  5. By: Beltrán Santiago, Hamilton - Ferreyra, Ramón
    Type: Article
    In: Compositae newsletter
    Volume: 36
    Date: 2001
    Page Range: 26--30
    Publication Info: Columbus, Ohio, Dept. of Botany, Ohio State University, 1975-