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Braunschweig: Thalacker, c1995
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Braunschweig: Thalacker, 1994
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Québec: Université Laval, 1970
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Braunschweig: Thalacker, 1991
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Braunschweig: Thalacker, 19XX-
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Bad Zwischenahn: Bruns Pflanzen, August 1998
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Braunschweig: Thalacker, 1990
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Braunschweig: Thalacker, 1990
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Braunschweig: Haymarket Media, 2012
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Upper Darby, Pa: Northeastern Forest Experiment Station, 1981 ; Mikrofiche-Ausgabe: Washington, DC: United States of America, Government Publishing Office, 1982
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American Society for Horticultural Science, 1990
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Springer Science and Business Media LLC, 1985
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1985
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Scientific Societies, 1979
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Scientific Societies, 1977
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Scientific Societies, 1975
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Informa UK Limited, 1974
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Informa UK Limited, 1974
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New York Botanical Garden, 1974
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Scientific Societies, 1976