Zum Inhalt springen
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Mainz: Verl. der Akad. der Wiss. und der Literatur, 1956 ; Wiesbaden: Steiner [in Komm.], 1956
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South African National Biodiversity Institute, 2007
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Springer Science and Business Media LLC, 2000
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Springer, 2000
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Springer Science and Business Media LLC, 2006
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Springer, 2006
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South African National Biodiversity Institute, 1983
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Wiley, 1982
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International Bureau for Plant Taxonomy and Nomenclature, 1982
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Wiley, 2014
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International Association for Plant Taxonomy (IAPT), 2014
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Elsevier BV, 2008
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JSTOR, 1996
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American Society of Plant Taxonomists, 1996