. Catalogue of North American plants north of Mexico, exclusive of the lower cryptogams [microform]. Botany; Plants; Botanique; Plantes. 1}.;,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Heller, A. A. (Amos Arthur), 1867-1944. [S. l. : s. n. ]


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, booksubjectpl