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Issue: Vol. 321 No. 3: 19 September 2017
Type: Article
Published: 2017-09-19
DOI: 10.11646/phytotaxa.321.3.3
Page range: 254–264
Abstract views: 23
PDF downloaded: 1

Novomicrothelia pandanicola sp. nov., a non-lichenized Trypetheliaceae species from Pandanus

Guizhou Institute of Biotechnology, Guizhou Academy of Agricultural Science, Guiyang 550006, Guizhou, P.R. China. Guizhou Key Laboratory of Agricultural Biotechnology, Guizhou Academy of Agricultural Science, Guiyang 550006, Guizhou, P.R. China. Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand. Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand.
Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand.
Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Kingdom of Saudi Arabia.
Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand.
Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand.
Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand.
Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand.
Guizhou Institute of Biotechnology, Guizhou Academy of Agricultural Science, Guiyang 550006, Guizhou, P.R. China. Guizhou Key Laboratory of Agricultural Biotechnology, Guizhou Academy of Agricultural Science, Guiyang 550006, Guizhou, P.R. China.
Dothideomycetes Phylogeny Taxonomy Trypetheliales Fungi

Abstract

A non-lichenized Trypetheliaceae species was collected and isolated from dead bark of Pandanus tectorius in Chanthaburi, Thailand. Morphological features of the fungus places it in the genus Novomicrothelia. Phylogenetic analyses of LSU sequence data showed that the fungus clustered together with Novomicrothelia oleosa and formed a well-supported basal clade in the family Trypetheliaceae. The fungus is phylogenetically distinct from the type species N. oleosa, and herein we introduce this taxon as Novomicrothelia pandanicola sp. nov. The new species shares similar ascomatal morphology and trabeculate pseudoparaphyses with N. oleosa, but differs in its muriform ascospores with a gelatinous sheath. Novomicrothelia pandanicola is described, illustrated and notes on its phylogenetic placement are provided.