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  1. Acutocapillitium, a new genus in the Lycoperdaceae / Patricio Ponce de Leon.
    By: Ponce de Leon, Patricio.
    Publication info: Chicago, Ill. :Field Museum of Natural History,1976.
    Contributed by: University of Illinois Urbana Champaign
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  2. A new member of Morganella.
    By: Ponce de Leon, Patricio.
    Publication info: Chicago, Ill. :Field Museum of Natural History,1969.
    Contributed by: University of Illinois Urbana Champaign
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  3. Notes on Calvatia (Lycoperdaceae), I- / Patricio Ponce de Leon.
    By: Ponce de Leon, Patricio.
    Publication info: [Chicago] :Field Museum of Natural History,1975.
    Contributed by: University of Illinois Urbana Champaign
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  4. Notes on Calvatia (Lycoperdaceae), II : Calvatia cretacea (Berk.) Lloyd, an Arctic montane plant / Patricio Ponce de Leon.
    By: Ponce de Leon, Patricio.
    Publication info: Chicago, Ill. :Field Museum of Natural History,1976.
    Contributed by: University of Illinois Urbana Champaign
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  5. A revision of the Family Geastraceae.
    By: Ponce de Leon, Patricio.
    Publication info: Chicago, Ill. :Field Museum of Natural History,1968.
    Contributed by: University of Illinois Urbana Champaign
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  6. Revision of the genus Morganella (Lycoperdaceae)
    By: Ponce de Leon, Patricio.
    Publication info: [Chicago]Field Museum of Natural History,1971.
    Contributed by: University of Illinois Urbana Champaign
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  7. Revision of the genus Vascellum (Lycoperdaceae).
    By: Ponce de Leon, Patricio.
    Publication info: Chicago, Ill. :Field Museum of Natural History,1970.
    Contributed by: University of Illinois Urbana Champaign
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