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Phylogeny of the genus Bryoria

Published online by Cambridge University Press:  05 October 2011

Leena MYLLYS
Affiliation:
Botanical Museum, Finnish Museum of Natural History, P. O. Box 7, FI-00014, University of Helsinki, Finland. Email: leena.myllys@helsinki.fi
Saara VELMALA
Affiliation:
Botanical Museum, Finnish Museum of Natural History, P. O. Box 7, FI-00014, University of Helsinki, Finland. Email: leena.myllys@helsinki.fi
Håkon HOLIEN
Affiliation:
Nord-Trøndelag University College, Serviceboks 2501, N-7729 Steinkjer, Norway.
Pekka HALONEN
Affiliation:
Botanical Museum, Department of Biology, P. O. Box 3000, FI-90014, University of Oulu, Finland.
Li-Song WANG
Affiliation:
Kunming Institute of Botany, Chinese Academy of Science, Heilongtan, Kunming, Yunnan, 650204, China.
Trevor GOWARD
Affiliation:
Herbarium, Department of Botany, University of British Columbia, Vancouver, BC V6G 2B1, Canada.
Corresponding
E-mail address:

Abstract

The phylogenetic relationships of the genus Bryoria were examined using ITS, partial glyceraldehyde 3-phosphate dehydrogenase (GAPDH) and mitochondrial SSU rDNA sequence data in addition to 20 chemical and morphological characters. This first comprehensive molecular study to assess Bryoria phylogeny includes representatives from all the traditionally recognized four sections. Combined cladistic analyses of 88 Bryoria specimens representing at least 25 species resulted in highly resolved phylogenies. Based on the results, a new infrageneric classification for the genus is proposed. Five sections are recognized, largely corresponding to the existing classification, with the addition of section Americanae. The study shows that while most species with an erect growth-form are clearly monophyletic, current species status of many pendent taxa can be questioned.

Type
Research Article
Copyright
Copyright © British Lichen Society 2011

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