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  1. New species of Digitaria, Pennisetum, and Poa (Gramineae) from Costa Rica / Richard W. Pohl.
    By: Pohl, Richard Walter,
    Publication info: Chicago, Ill. :Field Museum of Natural History,1976.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Bluegrasses  Classification  Costa Rica  Digitaria costaricensis  Grasses  Pennisetum tempisquense  
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  2. The seeds of the bluegrasses.
    By: Brown, Edgar. - Hillman, F. H. - United States.
    Publication info: Washington, D.C. :G.P.O.,1905.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Bluegrasses  Grasses  
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