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  1. By: Leon, Blanca - Young, Kenneth R - Roque, José - Cano, Asunción
    Type: Article
    In: Arnaldoa : revista del Herbario HAO
    Volume: 17
    Date: 2010
    Page Range: 51--83
    Publication Info: Trujillo, Peru, Universidad Antenor Orrego de Trujillo, 1991-
  2. By: Young, Kenneth R - Leon, Blanca
    Type: Article
    In: American fern journal
    Volume: 83
    Date: 1993
    Page Range: 93--96
    Publication Info: [Washington, etc.] American Fern Society
  3. By: Young, Kenneth R - Leon, Blanca
    Type: Article
    In: American fern journal
    Volume: 81
    Date: 1991
    Page Range: 63--67
    Publication Info: [Washington, etc.] American Fern Society
  4. By: Leon, Blanca - Rothfels, Carl J - Arakaki, Mónica - Young, Kenneth R - Pryer, Kathleen M. (Kathleen Mary)
    Type: Article
    In: American fern journal
    Volume: 103
    Date: 2013
    Page Range: 40--48
    Publication Info: [Washington, etc.] American Fern Society
  5. By: Young, Kenneth R
    Type: Article
    In: Arnaldoa : revista del Herbario HAO
    Volume: 17
    Issue: 1
    Date: 2010
    Page Range: 85--98
    Publication Info: Trujillo, Peru, Universidad Antenor Orrego de Trujillo, 1991-