*Aspergillus udagawae Y. Horie, Miyaji & Nishim., Mycoscience 36: 199, 1995 ≡ Neosartorya udagawae Y. Horie, Miyaji & Nishim., Mycoscience 36: 199, 1995. [MB412533]. — type: CBM FA-0702. ex-type: CBS 114217 = CBM FA-0702. sect Fumigati. ITS barcode: AB250781 (alternative markers: BenA = AF132226; CaM = AB748566; RPB2 = KY808929).
*Aspergillus undulatus H.Z. Kong & Z.T. Qi, Acta Mycol. Sin. 4: 211, 1985 ≡ Emericella undulata H.Z. Kong & Z.T. Qi, Acta Mycol. Sin. 5: 211, 1986. [MB129004]. — type: HMAS 47644. ex-type: CBS 261.88. sect Nidulantes. ITS barcode: EU448275 (alternative markers: BenA = EF428363; CaM = EU443989; RPB2 = KU866928).
*Aspergillus unguis (Émile-Weill & L. Gaudin) Thom & Raper, Mycologia 31: 667, 1939 ≡ Sterigmatocystis unguis Émile-Weill & L. Gaudin, Arch. Med. Exp. Anat. Pathol. 28: 463, 1918 ≡ Emericella unguis Malloch & Cain, Can. J. Bot. 50: 62, 1972. [MB255264]. — type: IMI 136526. ex-type: CBS 132.55 = NRRL 2393 = ATCC 16812 = IMI 136526 = NRRL A-2391 = NRRL A-445 = QM 25B = WB 2393. sect Nidulantes. ITS barcode: EF652443 (alternative markers: BenA = EF652267; CaM = EF652355; RPB2 = EF652179).
*Aspergillus unilateralis Thrower, Aust. J. Bot. 2: 355, 1954 ≡ Aspergillus brevipes var. unilateralis (Thrower) Kozak., Mycol. Pap. 161: 54, 1989. [MB292862]. — type: IMI 62876. ex-type: CBS 126.56 = NRRL 577 = ATCC 16902 = IFO 8136 = IMI 62876 = QM 8163 = WB 4366 = WB 4779. sect Fumigati. ITS barcode: EF669997 (alternative markers: BenA = EF669852; CaM = EF669923; RPB2 = EF669784).
*Aspergillus urmiensis Arzanlou, Houbraken & Samadi, Mycological Progress 15: 1089, 2016. [MB817474]. — type: CBS H-22671. ex-type: CBS 139558 = CCTU 742 = IBT 32593 = DTO 203-C2. sect Terrei. ITS barcode: KP987073 (alternative markers: BenA = KP987041; CaM = KP987056; RPB2 = KP987030).
*Aspergillus ustus (Bainier) Thom & Church, Aspergilli: 152, 1926 ≡ Sterigmatocystis usta Bainier, Bull. Soc. Bot. Fr. 28: 78, 1881. [MB281216]. — type: IMI 211805. ex-type: CBS 261.67 = NRRL 275 = ATCC 1041 = ATCC 16818 = IMI 211805 = QM 7477 = WB 275. sect Usti. ITS barcode: EF652455 (alternative markers: BenA = EF652279; CaM = EF652367; RPB2 = EF652191).
*Aspergillus uvarum G. Perrone, Varga & Kozak., Int. J. Syst. Evol. Microbiol. 58: 1036, 2008. [MB510962]. — type: IMI 388523. ex-type: CBS 121591 = IBT 26606 = IMI 388523 = ITEM 4834. sect Nigri. ITS barcode: AM745757 (alternative markers: BenA = AM745751; CaM = AM745755; RPB2 = HE984370).