*Penicillium bialowiezense K.M. Zalessky, Bull. Int. Acad. Polon. Sci., Sér. B., Sci. Nat. 1927: 450, 1927. [MB258429]. — type: IMI 092237. ex-type: CBS 227.28 = NRRL 865 = IBT 23044 = IMI 092237 = LSHBP 71. sect Brevicompacta. ITS barcode: EU587315 (alternative markers: BenA = AY674439; CaM = AY484828; RPB2 = JN406604).
*Penicillium biforme Thom, U.S.D.A. Bur. Animal Industr. Bull. 118: 54, 1910. [MB240764]. — type: unknown. ex-type: CBS 297.48 = ATCC 10416 = FRR 885 = IFO 7722 = IMI 039820 = LSHB P72 = MUCL 29165 = NRRL 885 = QM 7492. sect Fasciculata. ITS barcode: KC411731 (alternative markers: BenA = FJ930944; CaM = KU896823; RPB2 = KU904346).
*Penicillium bilaiae Chalab., Bot. Mater. Otd. Sporov. Rast. 6: 165, 1950. [MB302379]. — type: IMI 113677. ex-type: CBS 221.66 = ATCC 22348 = ATCC 48731 = CCRC 31675 = FRR 3391 = IJFM 5025 = IMI 113677 = MUCL 31187 = VKMF-854. sect Sclerotiora. ITS barcode: JN714937 (alternative markers: BenA = JN625966; CaM = JN626009; RPB2 = JN406610).
*Penicillium bissettii Visagie & Seifert, Persoonia 36: 269, 2016. [MB815778]. — type: DAOM 695761. ex-type: DAOMC 167011 = CBS 140972 = KAS 1951. sect Lanata-Divaricata. ITS barcode: KT887845 (alternative markers: BenA = KT887806; CaM = KT887767; RPB2 = n.a.).
*Penicillium boreae S.W. Peterson & Sigler, Mycol. Res. 106: 1112, 2002. [MB483980]. — type: BPI 841395. ex-type: CBS 111717 = NRRL 31002 = UAMH 3896. sect Stolkia. ITS barcode: AF481122 (alternative markers: BenA = JN617715; CaM = AF481138; RPB2 = n.a.).
*Penicillium bovifimosum (Tuthill & Frisvad) Houbraken & Samson, Stud. Mycol. 70: 47, 2011 ≡ Eupenicillium bovifimosum Tuthill & Frisvad, Mycologia 94: 241, 2002. [MB561957]. — type: WY RMF 82071. ex-type: CBS 102825 = RMF 9598. sect Turbata. ITS barcode: AF263347 (alternative markers: BenA = KJ834436; CaM = FJ530989; RPB2 = JN406649).
*Penicillium brasilianum Bat., Anais Soc. Biol. Pernambuco 15: 162, 1957. [MB302381]. — type: URM IMUR 56. ex-type: CBS 253.55 = ATCC 12072 = FRR 3466 = QM 6947. sect Lanata-Divaricata. ITS barcode: GU981577 (alternative markers: BenA = GU981629; CaM = AB667857; RPB2 = KF296420).
*Penicillium brefeldianum B.O. Dodge, Mycologia 25: 92, 1933 ≡ Carpenteles brefeldianum (B.O. Dodge) Shear, Mycologia 26: 107, 1934 ≡ Eupenicillium brefeldianum (B.O. Dodge) Stolk & D.B. Scott, Persoonia 4: 400, 1967 ≡ Penicillium dodgei Pitt, Genus Penicillium: 117, 1980. [MB258851]. — type: IMI 216896. ex-type: CBS 235.81 = NRRL 710 = FRR 710 = IFO 31731 = IMI 216896 = LCP 89.2573 = LCP 89.2578 = MUCL 38762 = QM 1872 = Thom 5296. sect Lanata-Divaricata. ITS barcode: AF033435 (alternative markers: BenA = GU981623; CaM = EU021683; RPB2 = KF296421).
*Penicillium brevicompactum Dierckx, Ann. Soc. Sci. Bruxelles 25: 88, 1901. [MB149773]. — type: IMI 40225. ex-type: CBS 257.29 = ATCC 10418 = ATCC 9056 = DSM3825 = FRR 862 = IBT 23045 = IMI 040225 = LSHBP 75 = MUCL 28647 = MUCL 28813 = MUCL 28935 = MUCL 30240 = MUCL 30241 = MUCL 30256 = MUCL 30257 = NRRL 2011 = NRRL 862 = NRRL 864 = QM 7496. sect Brevicompacta. ITS barcode: AY484912 (alternative markers: BenA = AY674437; CaM = AY484813; RPB2 = JN406594).
*Penicillium brevistipitatum L. Wang & W.Y. Zhuang, Mycotaxon 93: 234, 2005. [MB356064]. — type: HMAS 130354-1-4. ex-type: AS 3.6887 = CBS 122277. sect Robsamsonia. ITS barcode: DQ221696 (alternative markers: BenA = DQ221695; CaM = KU896824; RPB2 = JN406528).
*Penicillium brocae S.W. Peterson et al., Mycologia 95: 143, 2003. [MB373658]. — type: BPI 841763. ex-type: CBS 116113 = IBT 26293 = NRRL 31472. sect Sclerotiora. ITS barcode: AF484398 (alternative markers: BenA = KC773787; CaM = KC773814; RPB2 = JN406639).
*Penicillium brunneoconidiatum Visagie, Houbraken & K. Jacobs, Stud. Mycol. 78: 415, 2014. [MB809958]. — type: CBS H-21873. ex-type: CBS 137732 = DTO 182-E4 = CV 949 = DAOM 241359. sect Aspergilloides. ITS barcode: KM189666 (alternative markers: BenA = KM088911; CaM = KM089298; RPB2 = KM089685).
*Penicillium buchwaldii Frisvad & Samson, FEMS Microbiol. Lett. 339: 86, 2013. [MB800966]. — type: IMI 304286. ex-type: CBS 117181 = IBT 6005 = IMI 304286. sect Brevicompacta. ITS barcode: JX313164 (alternative markers: BenA = JX313182; CaM = JX313148; RPB2 = JN406637).
*Penicillium burgense Quintan. ex Visagie, IMA Fungus 7: 94, 2016 [MB816641]. — type: CBS H-22567. ex-type: CBS 325.89. sect Exilicaulis. ITS barcode: KC411736 (alternative markers: BenA = KJ834437; CaM = KP016772; RPB2 = JN406572).
*Penicillium bussumense Houbraken, Stud. Mycol. 78: 415, 2014. [MB809959]. — type: CBS H-21869. ex-type: CBS 138160 = DTO 018-B2. sect Aspergilloides. ITS barcode: KM189458 (alternative markers: BenA = KM088685; CaM = KM089070; RPB2 = KM089457).