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Télécharger le livre : North American Species of Cactus
John M. Coulter
North American Species of Cactus
In the fall of 1890 Dr. George Vasey, then Botanist of the Department of Agriculture, arranged with me to prepare a revision of North American Cactaceae. Owing to the peculiar difficulty of preserving material the family was poorly represented, even in our leading...
Editeur : eBooksLib (en)
Parution : 1905-06-30

Format(s) : ePub
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