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Issue: Vol. 491 No. 2: 19 March 2021
Type: Article
Published: 2021-03-19
DOI: 10.11646/phytotaxa.491.2.4
Page range: 143–157
Abstract views: 23
PDF downloaded: 1

Colletotrichum dracaenigenum, a new species on Dracaena fragrans

Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
2CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan, People’s Republic of China 4Centre for Mountain Futures, Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan, People’s Republic of China 5World Agroforestry, East and Central Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan, People’s Republic of China
1Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
1Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand
2CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan, People’s Republic of China 4Centre for Mountain Futures, Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan, People’s Republic of China
2CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan, People’s Republic of China 4Centre for Mountain Futures, Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan, People’s Republic of China
6Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 5200 Thailand 77Research Center of Center of Excellence in Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand 8Academy of Science, The Royal Society of Thailand, Bangkok 10300, Thailand
1Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand 2CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan, People’s Republic of China 3Innovative Institute of Plant Health, Zhongkai University of Agriculture and Engineering, Haizhu District, Guangzhou 510225, People’s Republic of China
1 new species Morphology Multi-locus Phylogeny Taxonomy Fungi

Abstract

During an investigation into the microfungi on Dracaena fragrans in Thailand, a saprobic taxon belonging to Glomerellaceae was collected. Based on morphological characterization and combined phylogenetic analyses of ITS, GAPDH, CHS-1, ACT and TUB2 sequence data from the sexual and asexual morphs our taxon was identified as a new species of Colletotrichum. Colletotrichum dracaenigenum sp. nov. is introduced here with a full description, colour photographs of morphological characteristics and a phylogenetic tree to show the placement of the new taxon in the gloeosporioides species complex.