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23 December 2015 An expanded phylogeny of the Dennstaedtiaceae ferns: Oenotrichia falls within a non-monophyletic Dennstaedtia, and Saccoloma is polyphyletic
Leon R. Perrie, Lara D. Shepherd, Patrick J. Brownsey
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Abstract

Recent studies have transferred several species previously attributed to the fern genus Oenotrichia to other genera, and even out of the Dennstaedtiaceae to other families. However, the relationship of the type species, O. maxima from New Caledonia, has not previously been investigated using DNA sequences. With phylogenetic analyses of chloroplast DNA sequences, we verify the placement of Oenotrichia within the Dennstaedtiaceae. Moreover, O. maxima actually nests along with Leptolepia in a clade of Dennstaedtia. Dennstaedtia itself is non-monophyletic, with a second clade being more closely related to Microlepia. We outline what is required to resolve the generic taxonomy of this group. We also find that samples attributed to Saccoloma are polyphyletic, with some falling inside the Dennstaedtiaceae and others outside.

© CSIRO 2015
Leon R. Perrie, Lara D. Shepherd, and Patrick J. Brownsey "An expanded phylogeny of the Dennstaedtiaceae ferns: Oenotrichia falls within a non-monophyletic Dennstaedtia, and Saccoloma is polyphyletic," Australian Systematic Botany 28(4), 256-264, (23 December 2015). https://doi.org/10.1071/SB15035
Received: 27 July 2015; Accepted: 1 November 2015; Published: 23 December 2015
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