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Subjects: 1805-1877; 1809-1884; 1850-1942; Alismataceae; Arthur, Joseph Charles,; Botanical specimens; Braun, Alexander,; Catalogs and collections; Cinquefoils; Correspondence; Des Moines River; Engelmann, George,; Fagaceae; Identification; Iowa; Leguminosae; Lespedeza; Letters; Marsilea; Marsileaceae; Phanerogams; Plants; Potentilla; Psoralea; Quercus; Rosaceae; Sagittaria</div>
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Arthur, Joseph Charles,</div>
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