Evolution of the Major Moss Lineages: Phylogenetic Analyses Based on Multiple Gene Sequences and Morphology (original) (raw)
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1 June 2000 Evolution of the Major Moss Lineages: Phylogenetic Analyses Based on Multiple Gene Sequences and Morphology
Angela E. Newton,Cymon J. Cox,Jeffrey G. Duckett,John A. Wheeler,Bernard Goffinet,Terry A. J. Hedderson,Brent D. Mishler
Author Affiliations +
Angela E. Newton,1 Cymon J. Cox,1 Jeffrey G. Duckett,2 John A. Wheeler,3 Bernard Goffinet,4 Terry A. J. Hedderson,5 Brent D. Mishler3
1Department of Botany, Natural History Museum, London SW7 5BD, U.K.
2School of Biological Sciences, Queen Mary and Westfield College, London E1 4NS, U.K.
3University and Jepson Herbarium, University of California, Berkeley, CA 94720, U.S.A.
4Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs CT 06268-3043, U.S.A.
5Department of Botany, University of Cape Town, Private Bag, Rondebosch 7701, South Africa
Abstract
Evolutionary relationships of mosses are still poorly understood, with family, order, and subclass circumscription and relationships remaining especially obscure. Over the past decade, a considerable body of data has accumulated, including information on morphological, developmental, anatomical, and ultrastructural characteristics, as well as nucleotide sequences for a number of nuclear and plastid genes. We have combined data from these different sources to provide an overview of the relationships of the major lineages of mosses. We analyzed a data set that includes 33 moss species and ten outgroup taxa drawn from the liverworts, hornworts, and vascular plants. Molecular data consisted of nucleotide sequences from four DNA regions, (rbc_L_, trn_L-trn_F, rps4 and 18S). Morphological data included 41 characters of which many were derived from published anatomical and ultra-structural studies. Combining morphological and molecular data in the analyses showed that mosses, including Sphagnum, Takakia, Andreaea and Andreaeobryum, form a monophyletic group, provided improved resolution of higher level relationships, and further insight into evolutionary patterns in morphology.
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Angela E. Newton, Cymon J. Cox, Jeffrey G. Duckett, John A. Wheeler, Bernard Goffinet, Terry A. J. Hedderson, and Brent D. Mishler "Evolution of the Major Moss Lineages: Phylogenetic Analyses Based on Multiple Gene Sequences and Morphology," The Bryologist 103(2), 187-211, (1 June 2000). https://doi.org/10.1639/0007-2745(2000)103[0187:EOTMML]2.0.CO;2
Received: 9 December 1999; Accepted: 1 February 2000; Published: 1 June 2000
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