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  1. Report of an investigation of the grasses of the arid districts of Texas, New Mexico, Arizona, Nevada, and Utah, in 1887.
    By: United States. Dept. of Agriculture. - Nealley, George C. - Pool, J. - Tracy, S. M. (Samuel Mills), - Vasey, George,
    Publication info: Washington :Govt. Print. Off.,1888.
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Herbarium
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