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New species and genera of ascomycetes from fresh and brackish water in Brunei: Ayria appendiculata and Sungaiicola bactrodesmiella gen. et spp. nov., Fluviatispora boothii, Torrentispora crassiparietis and T. fusiformis

Sally C. FRYAR & Kevin D. HYDE

en Cryptogamie, Mycologie 25 (3) - Pages 245-260

Published on 24 September 2004

Ayria appendiculata and Sungaiicola bactrodesmiella gen. et spp. nov. and Fluviatispora boothii, Torrentispora crassiparietis and T. fusiformis spp. nov. are described based on specimens collected on submerged wood in Brunei. Ayria appendiculata has remarkable unravelling appendages, which are somewhat similar to those in Pseudoproboscispora, but the asci of these species differ. Sungaiicola is described to accommodate a new pyrenomycete with multi-septate, hyaline ascospores and thin-walled asci with an inconspicuous apical ring. It is compared with Luttrellia and Saccardoella, genera having ascospores that are similar in appearance. Fluviatispora boothii has longer and wider ellipsoidal ascospores than the other Fluviatispora species. Torrentispora crassiparietis and T. fusiformis has larger and differently shaped ascospores as compared to T. fibrosa. All species are illustrated with interference contrast micrographs and compared with morphologically similar taxa.


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