Journal
PHYTOTAXA
Volume 423, Issue 3, Pages 129-144Publisher
MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.423.3.2
Keywords
1 new species; bambusicolous fungi; Dothideomycetes; multi-gene phylogeny; sexual morph
Categories
Funding
- National Science Foundation of China
- South East Asian Biodiversity resources Institute, Chinese Academy of Sciences [41761144055, 41771063, Y4ZK111B01]
- Thailand Research Fund [RDG6130001]
- Chinese Academy of Sciences [2013T2S0030]
- Chiang Mai University
- National Science Foundation of China (NSFC) [31750110478, 31850410489]
- CAS President's International Fellowship Initiative (PIFI) [2019FYC0003]
- Yunnan Provincial Department of Human Resources and Social Security [Y836181261]
- 5th batch of Postdoctoral Orientation Training Personnel in Yunnan Province [Y934283261]
- 64th batch of China Postdoctoral Science Foundation [Y913082271]
- Mushroom Research Foundation, Chiang Mai, Thailand
- Key Research Program of Frontier Sciences of the Chinese Academy of Sciences [QYZDY-SSW-SMC014]
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Keissleriella bambusicola sp. nov., collected from Yunnan Province in China, is described and illustrated in this paper. The new taxon was well placed in the genus Keissleriella based on subglobose to ampulli form, uni- to bi-loculate ascostromata with an ostiole covered by dark setae, 8-spored, bitunicate, fissitunicate, cylindrical to cylindric-clavate asci and yellowish brown, ellipsoidal to cylindrical (4-)5(-6)-septate ascospores. Keissleriella bambusicola is introduced based on a comparison of the morphological characteristics of morphologically (K. rosae, K. taminensis, K. yonaguniensis) and phylogenetically (K. caraganae, K yonaguniensis) closely related taxa. The species can be distinguished from the above mentioned species in having uni- to bi-loculate, raised, superificial ascostromata and (4-)5(-6)-septate ascospores. Maximum likelihood and Bay esian inference analyses based on the combined LSU, SSU, TEF1-alpha and ITS sequence dataset showed that our new taxon forms a sister lineage, with K. caraganae and clustered with K. yonaguniensis in the genus Keissleriella. In addition, Keissleriella is reported on bamboo for the first time.
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