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London: Nature Publ. Group, 2018
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American Fern Society, 2012
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American Fern Society, 2012
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The University of Chicago Press, 1999
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JSTOR, 1992
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American Fern Society, 1992
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John Wiley & Sons Ltd, 2014
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Proceedings of the National Academy of Sciences, 2009
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Wiley, 2007
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International Bureau for Plant Taxonomy and Nomenclature, 2007
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Oxford University Press (OUP), 2006
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Taylor & Francis, 2006
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The University of Chicago Press, 2002
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Botanical Research Institute of Texas, 2022
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Wiley, 2015
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Oxford University Press (OUP), 2014
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Wiley, 2010
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Wiley Periodicals Inc., 2010
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Wiley, 2009
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Wiley-Blackwell, 2009