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Abstract
Poroconiochaeta tetraspora sp. nov., isolated from soil of Russia, is described and illustrated. The new taxon differs from P. discoidea in its four-spored asci (eight-spored in P. discoidea) and from P. punctulata in the pattern of ascospore ornamentation, which is conspicuously pitted in P. tetraspora (punctulate in the other species). The new combination Poroconiochaeta savoryi is proposed and discussed.
The authors are indebted to Natalia Sastre and Marta Romeu for the collection of the soil samples. The first author is grateful for the fellowship grants from Universitat Rovira i Virgili (Tarragona, Spain).