The taxonomy and phylogeny of Austropleospora ochracea sp. nov. (Didymosphaeriaceae) from Guizhou, China

被引：8
|
作者：
Dissanayake, Lakmali S. [1 ]
Wijayawardene, Nalin N. [2 ]
Samarakoon, Milan C. [3 ]
Hyde, Kevin D. [3 ,4 ]
Kang, Ji-Chuan [1 ,3 ]
机构：
[1] Guizhou Univ, Minist Educ, Engn Res Ctr Utilizat Characterist Biopharmaceut, Guiyang 550025, Guizhou, Peoples R China
[2] Qujing Normal Univ, Coll Biol Resource & Food Engn, Ctr Yunnan Plateau Biol Resources Protect & Utili, Qujing 655011, Yunnan, Peoples R China
[3] Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand
[4] Zhongkai Univ Agr & Engn, Innovat Inst Plant Hlth, Guangzhou 510225, Thailand
来源：
PHYTOTAXA | 2021年 / 491卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Dothideomycetes; muriform; new species; taxonomy; GEN; NOV; PLEOSPORALES; FUNGI; CLASSIFICATION; PROBABILITY; MASSARINEAE; ASCOMYCOTA; TREES;
D O I：
10.11646/phytotaxa.491.3.2
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Austropleospora is a genus of Didymosphaeriaceae with only three extant species. A survey of saprobic ascomycetes in Guizhou Province, China, discovered a new Austropleospora species on dead twigs in a terrestrial habitat. The molecular phylogeny based on a combined SSU-LSU-tef1-ITS DNA sequence dataset confirmed the new species? taxonomic position in Austropleospora. Austropleospora ochracea sp. nov. is characterized by globose to subglobose and uni-loculate ascoma with a centric short papilla, brown to dark brown peridium with cells of textura angularis to textura prismatica and conical, comparatively smaller ascospores with narrowly rounded polar ends. The new taxon is compared with similar species in Austropleospora, and its taxonomic status is briefly discussed. Austropleospora is a genus of Didymosphaeriaceae with only three extant species. A survey of saprobic ascomycetes in Guizhou Province, China, discovered a new Austropleospora species on dead twigs in a terrestrial habitat. The molecular phylogeny based on a combined SSU-LSU-tef1-ITS DNA sequence dataset confirmed the new species? taxonomic position in Austropleospora. Austropleospora ochracea sp. nov. is characterized by globose to subglobose and uni-loculate ascoma with a centric short papilla, brown to dark brown peridium with cells of textura angularis to textura prismatica and conical, comparatively smaller ascospores with narrowly rounded polar ends. The new taxon is compared with similar species in
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页码：217 / 229
页数：13
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