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  1. Cryosophila macrocarpa (Palmae), a new species from Chocó Department, Colombia
    By: Evans, R J
    Type: Article
    In: Novon
    Volume: 2
    Date: 1992
    Page Range: 58--61
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  2. A reevaluation of the Ozark endemic Claytonia ozarkensis (Montiaceae)
    By: Yatskievych, G - Evans, R J - Witsell, C T
    Type: Article
    In: Phytoneuron
    Volume: 2013-50
    Date: 2013
    Page Range: 1--11
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