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  1. By: Rau, Eugene A. (Eugene Abraham),
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Eugene Abraham),  1809-1884  1848-1932  Collectors and collecting  Correspondence  Cryptogams  Engelmann, George,  Identification  Isoetaceae  Isoetes  Letters  Rau, Eugene A  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden