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1 results

  • Phylogeny of the genus Bryoria

  • Leena MYLLYS, Saara VELMALA, Håkon HOLIEN, Pekka HALONEN, Li-Song WANG, Trevor GOWARD
  • Journal:
    The Lichenologist / Volume 43 / Issue 6 / November 2011
    Published online by Cambridge University Press:
    05 October 2011, pp. 617-638
    Print publication:
    November 2011

  • 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.