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Issue: Vol. 203 No. 1: 19 March 2015
Type: Article
Published: 2015-03-19
DOI: 10.11646/phytotaxa.203.1.3
Page range: 37–46
Abstract views: 25
PDF downloaded: 1

Molecular phylogenetic analysis reveals two new species of Discosia from Italy

World Agroforestry Centre, East and Central Asia, 132 Lanhei Road, Kunming 650201, China Key Laboratory of Economic Plants and Biotechnology, Kunming Institute of Botany, Chinese Academy of Sciences, Lanhei Road No 132, Panlong District, Kunming, Yunnan Province, 650201, PR China Institute of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
Institute of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
Institute of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand Formerly, Department of Botany, Goa University, Goa 403206, India
A.M.B. Gruppo Micologico Forlivese “Antonio Cicognani”, Via Roma 18, Forlì, Italy
Institute of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
World Agroforestry Centre, East and Central Asia, 132 Lanhei Road, Kunming 650201, China Key Laboratory of Economic Plants and Biotechnology, Kunming Institute of Botany, Chinese Academy of Sciences, Lanhei Road No 132, Panlong District, Kunming, Yunnan Province, 650201, PR China
World Agroforestry Centre, East and Central Asia, 132 Lanhei Road, Kunming 650201, China Key Laboratory of Economic Plants and Biotechnology, Kunming Institute of Botany, Chinese Academy of Sciences, Lanhei Road No 132, Panlong District, Kunming, Yunnan Province, 650201, PR China
World Agroforestry Centre, East and Central Asia, 132 Lanhei Road, Kunming 650201, China Key Laboratory of Economic Plants and Biotechnology, Kunming Institute of Botany, Chinese Academy of Sciences, Lanhei Road No 132, Panlong District, Kunming, Yunnan Province, 650201, PR China Institute of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand Botany and Microbiology Department, College of Science, King Saud University, Riyadh, KSA 11442, Saudi Arabia
Institute of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
Asexual morphs Amphisphaeriaceae Phylogeny Taxonomy

Abstract

Two fresh collections of Discosia were made from dead leaves of Fagus sylvatica in Italy. As these collections could not be cultured, the fruiting bodies were directly used for sequencing using a Forensic DNA Extraction Kit. Based on analyses of the concatenated internal transcribed spacer regions of the nrDNA operon (ITS) and large subunit rDNA (LSU) gene sequences, as well as morphological characters, the fresh collections are introduced as two new species, namely D. italica and D. fagi. Phylogenetically, these two species are distinct from all other Discosia species. Morphologically, D. italica is somewhat similar with D. fagi, but can be distinguished using dimension of conidiomata and conidiogenous cells. Descriptions and illustrations of the new taxa are provided herein.