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Washington, DC: U.S. Gov. Print. Off., 1941 [erschienen 1942]
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Wien: Verl. der Österr. Akad. der Wiss., 2006
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Washington, D.C.: Smithsonian Inst., 1965
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Washington: Smithsonian Institution, 1945
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Washington, DC, 1951 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2008
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Washington, DC, 1953 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2008
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New Haven, Conn: Human Relations Area Files, Inc, 2006
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Washington, DC, 1944 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2008
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New York Botanical Garden, 1961
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Springer Science and Business Media LLC, 1961
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International Bureau for Plant Taxonomy and Nomenclature, 1961
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Wiley, 1961
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American Institute of Biological Sciences, 1957
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Smithsonian Institution, 1957
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American Association for the Advancement of Science, 1956
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The Botanical Society of Japan, 1954
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The Botanical Society of Japan, 1954
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The Botanical Society of Japan, 1954
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The Botanical Society of Japan, 1954
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Wiley, 1952