Two new and phylogenetically closely related species in Aspergillus section Fumigati are described and illustrated. Homothallic Aspergillus waksmanii sp. nov. was isolated from New Jersey soil (USA) and is represented by the ex-type isolate NRRL 179(T) ( = CCF 4266(T) = Thom 4138.HS2(T) = IBT 31900(T)). Aspergillus marvanovae sp. nov. was isolated from water with high boracic acid anions content in Dukovany nuclear power station (Czech Republic). The sexual stage of this species is unknown, but the MAT1-1 locus was successfully amplified suggesting that the species is probably heterothallic and teleomorphic but is represented by only the ex-type isolate CCM 8003(T) ( = CCF 4037(T) = NRRL 62486(T) = IBT 31279(T) = IFM 60873(T)). Both species can be distinguished from all previously described species in section Fumigati based on morphology, maximum growth temperature, sequence data from five unlinked loci and unique secondary metabolites profiles.

Bacterial Foodborne Pathogens and Mycology Research Unit National Center for Agricultural Utilization Research 1815 N University Street Peoria IL 61604 USA

Department for Systems Biology Technical University of Denmark Soltofts Plads Building 221 DK 2800 Lyngby Denmark

Department of Botany Faculty of Science Charles University Prague Benátská 2 128 01 Praha 2 Czech Republic

Laboratory of Fungal Genetics and Metabolism Institute of Microbiology of the AS CR v v i Vídeňská 1083 142 20 Praha 4 Czech Republic

Medical Mycology Research Center Chiba University 1 8 1 Inohana Chuo ku Chiba 260 8673 Japan

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EF669722, EF669794, EF669863, EF669934, HE974387, HE974389, HE974396, HE974401, HE974405, HE974450