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Citation for Study 1858

About Citation title: "Phylogenetic Placement of Rheopteris and the Polyphyly of Monogramma (Pteridaceae s.l.): Evidence from rbcL Sequence Data".
About This study was previously identified under the legacy study ID S1833 (Status: Published).

Citation

Ruhfel B.R., Lindsay S., & Davis C. 2007. Phylogenetic Placement of Rheopteris and the Polyphyly of Monogramma (Pteridaceae s.l.): Evidence from rbcL Sequence Data. Systematic Botany, null.

Authors

  • Ruhfel B.R. Phone 734-846-1353
  • Lindsay S.
  • Davis C.

Abstract

Recent molecular investigations have elucidated the generic and subgeneric relationships of most vittarioid genera (Pteridaceae sensu lato pro parte). However, the phylogenetic placement of Monogramma and Rheopteris remain to be examined. The inclusion of Rheopteris cheesmaniae (the sole representative of the genus) in the vittarioids has been questioned since its description half a century ago, and although the placement of Monogramma within the vittarioids is well supported with non-molecular characters, its relationship to other members of the vittarioid clade is unknown. We present new phylogenetic evidence from plastid rbcL sequence data indicating that Rheopteris is strongly supported as a member of the vittarioid clade, and that Monogramma is polyphyletic. Data from molecular and non-molecular characters suggest that a clade containing Rheopteris and part of Monogramma, i.e., those species sometimes ascribed to the genus Vaginularia, represent the earliest diverging lineage within the vittarioids, and that remaining members of Monogramma are derived from within Haplopteris.

About this resource

  • Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S1858
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