B
- Allium backhousianum
- Allium badakhshanicum
- Allium baeticum
- Allium bahri
- Allium bajtulinii
- Allium bakhtiaricum
- Allium balansae
- Allium baluchistanicum
- Allium barsczewskii
- Allium barszczewskii f. niveum
- Allium barszczewskii f. violaceum
- Allium barthianum
- Allium baschkyzylsaicum
- Allium basrszczewskii lus. albidum
- Allium bassitense
- Allium bauerianum
- Allium baytopiorum
- Allium beesianum
- Allium bellulum
- Allium bidentatum
- Allium bidentatum var. andaense
- Allium bidentatum var. qinggouense
- Allium bidwelliae
- Allium biflorum
- Allium bigelovii: Bigelow's Onion
- Allium bimetrale
- Allium birkinshawii
- Allium bisceptrum: Twincrest Onion; Aspen Onion
- Allium blandum
- Allium blomfieldianum
- Allium bodeanum
- Allium bodinieri
- Allium bogdoicolum
- Allium bolanderi: Bolander's Onion
- Allium bonariensis
- Allium borbasii
- Allium borbonicum
- Allium bornmuelleri
- Allium borszczowi
- Allium botschantzevii
- Allium bouddae
- Allium bourgeaui
- Allium bourgeaui f. subsp. creticum
- Allium bourgeaui f. subsp. cycladicum
- Allium brachyscapum
- Allium brachyspathum
- Allium bracteolatum
- Allium brahuicum
- Allium brandegei: Brandegee's Onion
- Allium brandegei f. viviparum
- Allium brevicuspis
- Allium brevidens
- Allium brevidentatum
- Allium brevidentiforme
- Allium breviscapum
- Allium brevistylum: Shortstyle Onion
- Allium breweri
- Allium brulloi
- Allium bucharicum
- Allium bullardi
- Allium bulleyanum
- Allium bungei
- Allium burdickii: Narrowleaf Wild Leek
- Allium burjaticum
- Allium burlevii
- Allium burlewii: Burlew's Onion
Read more about this topic: List Of Allium Species