*Penicillium kananaskense Seifert, Frisvad & McLean, Can. J. Bot. 72: 20, 1994. [MB362160]. — type: DAOM 216105. ex-type: CBS 530.93 = ATCC 90282 = DAOM 216105 = IBT 11775 = IMI 356791. sect Aspergilloides. ITS barcode: KM189780 (alternative markers: BenA = KM089030; CaM = KM089417; RPB2 = KM089804).

*Penicillium katangense Stolk, Antonie van Leeuwenhoek 34: 42, 1968 ≡ Eupenicillium katangense Stolk, Antonie van Leenwenhoek 34: 42, 1968. [MB120725]. — type: CBS 247.67. ex-type: CBS 247.67 = ATCC 18388 = IMI 136206 = NRRL 5182. sect Exilicaulis. ITS barcode: AF033458 (alternative markers: BenA = KP016757; CaM = KP016788; RPB2 = KP064646).

*Penicillium kewense G. Sm., Trans. Brit. Mycol. Soc. 44: 42, 1961. [MB335740]. — type: L.S.H.T.M. BB 400. ex-type: CBS 344.61 = ATCC 18240 = FRR 3441 = IFO 8113 = IMI 086561 = LSHBBB400 = MUCL 2685 = NRRL 3332 = QM 7958. sect Chrysogena. ITS barcode: AF033466 (alternative markers: BenA = JX996849; CaM = JX996973; RPB2 = JF417428).

*Penicillium kiamaense Houbraken & Pitt, Stud. Mycol. 78: 426, 2014. [MB809967]. — type: CBS H-21857. ex-type: CBS 137947 = FRR 6087 = DTO 056-I6. sect Aspergilloides. ITS barcode: KM189506 (alternative markers: BenA = KM088743; CaM = KM089128; RPB2 = KM089515).

*Penicillium kojigenum G. Sm., Trans. Brit. Mycol. Soc. 44: 43, 1961. [MB335741]. — type: L.S.H.T.M. BB 394. ex-type: CBS 345.61 = ATCC 18227 = CCRC 31515 = FRR 3442 = IFO 9581 = IMI 086562 = LSHBBB394 = MUCL 2457 = NRRL 3442 = QM 7957. sect Ramosa. ITS barcode: AF033489 (alternative markers: BenA = KJ834463; CaM = KJ867011; RPB2 = JN406564).

*Penicillium kongii L. Wang, Mycologia 105: 1549, 2013. [MB803185]. — type: HMAS 244382. ex-type: AS 3.15329. sect Brevicompacta. ITS barcode: KC427191 (alternative markers: BenA = KC427171; CaM = KC427151; RPB2 = n.a.).

*Penicillium koreense S.B. Hong, D.H. Kim & Y.H. You, J. Microbiol. Biotechnol. 24: 1607, 2014. [MB808759]. — type: KACC 47721. ex-type: KACC 47721. sect Lanata-Divaricata. ITS barcode: KJ801939 (alternative markers: BenA = KM000846; CaM = n.a.; RPB2 = n.a.).

*Penicillium kurssanovii Chalabuda, Bot. Mater. Otd. Sporov. Rast. 6: 168, 1950. [MB274327]. — type: unknown. ex-type: CBS 625.67 = ATCC 18387 = FRR 3381 = IJFM 5045 = IMI 129965 = NRRL 3381 = VKMF-1244. sect Exilicaulis. ITS barcode: EF422849 (alternative markers: BenA = KP016758; CaM = KP016789; RPB2 = KP064647).