Zum Inhalt springen
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Copenhagen: Nordic Journal of Botany, 1990
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New York: The New York Botanical Garden, 1988
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The Plant Resources Center, The University of Texas at Austin, 1999
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Springer Science and Business Media LLC, 1999
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New York Botanical Garden, 1999
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The Plant Resources Center, The University of Texas at Austin, 1998
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Springer Science and Business Media LLC, 1995
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New York Botanical Garden, 1995
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Springer Science and Business Media LLC, 1994
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New York Botanical Garden, 1994
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JSTOR, 1993
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Missouri Botanical Garden, 1993
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Botanical Research Institute of Texas, 1992
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Missouri Botanical Garden, 1989
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JSTOR, 1989
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New York Botanical Garden, 1988
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JSTOR, 1988
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American Society of Plant Taxonomists, 1988
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JSTOR, 1989
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Missouri Botanical Garden, 1989