Journal
PHYTOTAXA
Volume 573, Issue 2, Pages 262-274Publisher
MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.573.2.6
Keywords
1 new taxon; Bambusicolous fungi; Dothideomycetes; Neostagonosporella; Phaeosphaeriaceae; Pleosporales
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Funding
- National Natural Science Foundation of China (NSFC) [32170019, 31670027]
- Open Fund Program of Engineering Research Center of Southwest Bio-Pharmaceutical Resources, Ministry of Education, Guizhou University [GZUKEY 20160705]
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A new bitunicate ascomycete species, Neostagonosporella bambusicola, was collected from dead bamboo leaves in Guizhou Province, China. Phylogenetic analysis confirmed its placement in the genus Neostagonosporella and revealed its close relationship with N. sichuanensis.
A bitunicate ascomycete was collected on dead bamboo leaves from Guizhou Province, China. Phylogenetic analyses based on large subunit rRNA (LSU), small subunit rRNA (SSU), translation elongation factor 1-alpha (tef 1-alpha) and internal transcribed spacers (ITS) revealed that this species belongs to the genus Neostagonosporella (Phaeosphaeriaceae, Pleosporales) and forms a well-supported lineage (98% ML, 1.00BYPP) with N. sichuanensis. This taxon resembles the type species of Neostagonosporella, N. sichuanensis by its globose to subglobose central ostiolate ascomata, cylindrical to cylindric-clavate, short pedicellate asci and hyaline, cylindrical to fusiform ascospores, as well as a close phylogenetic affinity. However, it differs from N. sichuanensis by its comparatively smaller ascomata, cellular, septate pseudoparaphyses and ascospores with thick sheath, whereas N. sichuanensis has comparatively large ascomata, trabeculate pseudoparaphyses and ascospores with comparatively thin sheath. Therefore, we introduce this taxon as a novel species, namely Neostagonosporella bambusicola and compare it with the other species of Neostagonosporella.
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