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20 May 2019 Orthostichellaceae fam. nov. and other novelties in pleurocarpous mosses revealed by phylogenetic analyses
Johannes Enroth, Sanna Olsson, Sanna Huttunen, Volker Buchbender, Ray Tangney, Michael Stech, Lars Hedenäs, Dietmar Quandt
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Abstract

In the light of a phylogenetic reconstruction based on a multi-loci data set including sequence data from all three compartments (plastome: (rps4)–trnF, rpl16 group II intron; chondrome: nad5 group I intron; nuclear: ITS1&2) the Orthostichellaceae are described as a new family of pleurocarpous mosses. It is distributed mainly in the Neotropics and tropical Africa, and provisionally contains the genera Dixonia (Asia, 1 species), Afrothamnium gen. nov. (Africa and Neotropics, 1 sp.), Pinnatidendron gen. nov. (Africa and Neotropics, 1 sp.), Deslooveria gen. nov. (Africa and French Guiana, 5 spp.), Scabrellifolium gen. nov. (Neotropics and Africa, 2 spp.), and Orthostichella (Neotropics and Africa, 9 spp.). In the Neckeraceae we describe Dannorrisia gen. nov. (N. America, 1 sp.), Austrothamnium gen. nov. (Australasia, 2 spp.), and Bryobuckia gen. nov. (endemic to Chile, 7 spp.). Porotrichum s.str. becomes an essentially Neotropical genus and it contains the formerly recognized genera Porotrichopsis and Porotrichodendron. Thamnobryum s.str. is distributed exclusively in the Northern Hemisphere and is largely temperate. The mainly Macaronesian Echinodiaceae becomes a family of two genera, Echinodium (3 spp.) and Pseudomalia gen. nov. (1 sp.). The morphological evolution in the Orthostichellaceae is discussed based on the phylogeny.

Copyright © 2019 by The American Bryological and Lichenological Society, Inc.
Johannes Enroth, Sanna Olsson, Sanna Huttunen, Volker Buchbender, Ray Tangney, Michael Stech, Lars Hedenäs, and Dietmar Quandt "Orthostichellaceae fam. nov. and other novelties in pleurocarpous mosses revealed by phylogenetic analyses," The Bryologist 122(2), 219-245, (20 May 2019). https://doi.org/10.1639/0007-2745-122.2.219
Received: 21 December 2018; Accepted: 20 February 2019; Published: 20 May 2019
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