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Aquapteridospora lignicola gen. et sp. nov., a new hyphomycetous taxon (Sordariomycetes) from wood submerged in a freshwater stream

Jing YANG, Sajeewa S. N. MAHARACHCHIKUMBURA, Kevin D. HYDE, Darbhe Jayarama BHAT, Eric H. C. McKENZIE, Ali H. A. BAHKALI, E. B. Gareth JONES & Zuo-Yi LIU

en Cryptogamie, Mycologie 36 (4) - Pages 469-478

Publié le 25 décembre 2015

Aquapteridospora lignicola gen. et sp. nov., a new hyphomycetous taxon (Sordariomycetes) from wood submerged in a freshwater stream

Aquapteridospora lignicola gen. et sp. nov. was found on wood submerged in a freshwater stream in Chiang Rai Province, Thailand. Phylogenetic analysis of LSU sequence data placed the isolate in Diaporthomycetidae, genera incertae sedis. Aquapteridospora is a hyphomycete with polyblastic conidiogenous cells with several sympodial proliferations, bearing tiny, protuberant, circular scars and fusiform conidia, with pale to dark brown central cells and subhyaline end cells, sometimes with a conspicuous sheath. Aquapteridospora is compared to Pleurophragmium and Minimelanolocus which share some similar characters. A new genus and species is introduced to accommodate this new lineage with notes on its taxonomy and phylogeny.


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