Fritillaria baisunensis Rukšāns in International Rock Gardener, 114: 11-12 (2019)

Fritillaria barbata H.B. & K. Nov. Gen. et Sp. i. 288 (1816). ≡ Calochortus barbatus Painter

Fritillaria baskilensis Behçet in Bull. Pure Appl. Sci. (India), B 17(1): 35 (1998).

Fritillaria bhutanica Turrill in Kew Bull. 7: 283 (1952). ≡ F.delavayi

Fritillaria biebersteiniana Charkevicz in Novit. Syst. Pl. Vasc., Acad. Sci. URSS, 42 (1966). ≡ F.collina

Fritillaria biflora Sessé & Moc. Fl. Mexic., ed. 2: 89 (1894).

Fritillaria biflora Lindley Bot. Reg. sub t. 1663 (1834).

Fritillaria biflora Sessé & Moc. var. agrestis Greene Man. Bot. San Francisco 311. (1894) ≡ F.agrestis

Fritillaria biflora Sessé & Moc. var. ineziana Jeps. Fl. Calif. 1: 306 (1921). ≡ F. grayana

Fritillaria biflora Sessé & Moc. var. inflexa Jeps. Fl. Calif. 1: 306. (1921). ≡ F.purdyi

Fritillaria bithynica Baker in Journ. Linn. Soc. 14: 264 (1875 publ. 1874).

Fritillaria boissieri Costa Suplem. Fl. Catal. 72 (1877). ≡ F. lusitanica

Fritillaria bolensis G.Z.Zhang &amY.M.Liu in Acta Phytotax. Sin., 22(2): 158 (1984). ≡ F.pallidiflora

Fritillaria borealixingjiangensis Y.K.Yang, S.X.Zhang & G.J.Liu in J. Wuhan Bot. Res., 5(2): 128 (1987), as ‘boreali-xingjiangensis’ ≡ F.verticillata

Fritillaria bornmuelleri Hausskn. in Oest. Bot. Zeitschr. 40: 393 (1890). ≡ F.aurea

Fritillaria brandegeei Eastw. Bull. Torrey Bot. Club 30: 484 (1903).

Fritillaria brevicaulis Baker in Gard. Chron. 6: 38 (1889); Journ. Hortic. Ser. III. 27: 441.[sphalm. Hericaulis]. ≡ F.armena

Fritillaria bucharica Regel. in Act. Hort. Petrop. 8: 652 (1884).

Fritillaria burnatii Hort. (Planch.) ex. Backh. Gard. Chron. 1 (1879).

Fritillaria byfieldii Özhatay & Rix in Fl. Turkey & E. Aegean Is., 11: 323 (2000 publ. 2001).