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  1. The weed flora of Iowa / [by L. H. Pammel ; with the collaboration of Charlotte M. King ... et al.]
    By: Pammel, L. H. - King, Charlotte M.
    Publication info: Des Moines :Iowa Geological Survey,1913.
    Contributed by: Mertz Library, The New York Botanical Garden
    BHL Collections: New York Botanical Garden
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