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1 March 2009 Phylogenetic relationships of the Thuidiaceae and the non-monophyly of the Thuidiaceae and the Leskeaceae based on rbcL, rps4 and the rps4-trnS intergenic spacer
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Abstract
We explored molecular data in order to establish the phylogenetic relationships of the Thuidiaceae. We sampled nine genera and 13 species of Thuidiaceae, and included representatives of 15 families that have been considered related to Thuidiaceae at some point. We used two chloroplast codifier genes (rbcL and rps4) and the rps4-trnS intergenic spacer. Our combined parsimony analyses retrieved a clade containing 12 exemplars of Thuidiaceae representing eight genera (Thuidium, Thuidiopsis, Pelekium, Aequatoriella, Abietinella, Rauiella, Haplocladium and Actinothuidium) but with the inclusion of Leskea polycarpa and exclusion of Hylocomiopsis making the Thuidiaceae non-monophyletic as currently defined, and the Leskeaceae polyphyletic. The name Thuidiaceae is retained for the informal “thuidioid” group of taxa. The Rhytidiaceae (Rhytidium rugosum) was found sister to the clade of Thuidiaceae s.lat and Leskea polycarpa. The rps4-trnS spacer added characters that improved resolution and may be of value for similar studies at family level in other pleurocarpous mosses.
Deneb García-Avila, Efraín De Luna and Angela E. Newton "Phylogenetic relationships of the Thuidiaceae and the non-monophyly of the Thuidiaceae and the Leskeaceae based on rbcL, rps4 and the rps4-trnS intergenic spacer," The Bryologist 112(1), (1 March 2009). https://doi.org/10.1639/0007-2745-112.1.80
Received: 3 December 2007; Accepted: 1 June 2008; Published: 1 March 2009
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