A new species in the lichen genus Peltigera from northern China based on morphology and DNA sequence data

Liu-Fu Han; Tian-Xin Zheng; Shou-Yu Guo

doi:10.1639/0007-2745-118.1.046

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Liu-Fu Han,¹ Tian-Xin Zheng,¹ Shou-Yu Guo^2,*

¹1 College of Life Science, Hebei Normal University, Shijiazhuang 050024, P. R. China
²2 State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing

^*Corresponding author’s e-mail: guosy@im.ac.cn

Abstract

In an investigation of Peltigera species in montane forests of northern China, a new species, P. isidiophora was identified based on morphological characteristics and DNA sequence data. It differs morphologically from other members of the P. canina-group by its laminal clustered isidia occurring in pits, shiny upper surface, and its slender, scattered and simple rhizines. It also differs chemically from morphologically similar species by two unnamed terpenoid metabolites detected by thin layer chromatography in solvent systems C and G. Comparisons of the ITS sequences, both in phylogenetic analysis and secondary structure models of ITS2, support the taxonomic distinctiveness of this species. A synoptic table to morphologically similar species, and a key to the species in the Peltigera canina group from China are provided.

The American Bryological and Lichenological Society, Inc.

Citation Download Citation

Liu-Fu Han, Tian-Xin Zheng, and Shou-Yu Guo "A new species in the lichen genus Peltigera from northern China based on morphology and DNA sequence data," The Bryologist 118(1), 46-53, (9 March 2015). https://doi.org/10.1639/0007-2745-118.1.046

Received: 25 June 2014; Accepted: 1 February 2015; Published: 9 March 2015

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