Botanisches Hilfsbuch für Pflanzer, Kolonialbeamte, Tropenkaufleute und Forschungsreisende Winkler, Hubert, 1875-1941 creator text book Wismar Hinstorffsche Verlagsbuchhandlung 1912 1912
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GER List of tropical botanical gardens and experimental stations: p. [317]-322. Agricultural experiment stations Botanical gardens Botany, Economic Tropical plants Tropics SB108.T7 W5 https://www.biodiversitylibrary.org/bibliography/13580 5277723 10.5962/bhl.title.13580 DLC