• Allium Linnaeus, 1753
• Allium aaseae Ownbey
• Allium abramsii (Ownbey & Aase) McNeal
• Allium acetabulum (Raf.) Shinners accepted as Allium canadense Linnaeus
• Allium acuminatum Hook.
• Allium allegheniense Small
• Allium ambiguum M.E. Jones accepted as Allium obtusum J.G. Lemmon
• Allium ampeloprasum Linnaeus
• Allium amplectens Torr.
• Allium anceps Kellogg
• Allium anserinum Jeps.
• Allium arenicola Osterhout accepted as Allium geyeri S. Wats.
• Allium arenicola Small accepted as Allium canadense Linnaeus
• Allium aridum Rydb. accepted as Allium textile A. Nels. & J.F. Macbr.
• Allium ascalonicum Linnaeus
• Allium atrorubens S. Wats.
• Allium attenuifolium Kellogg accepted as Allium amplectens Torr.
• Allium austinae M.E. Jones accepted as Allium campanulatum S. Wats.
• Allium austini accepted as Allium campanulatum S. Wats.
• Allium bakeri Regel accepted as Allium chinense G. Don
• Allium bidwelliae S. Wats. accepted as Allium campanulatum S. Wats.
• Allium bigelovii S. Wats.
• Allium bisceptrum S. Wats.
• Allium bivalve (L.) Kuntze accepted as Nothoscordum bivalve (L.) Britt.
• Allium bolanderi S. Wats.
• Allium brandegeei S. Wats.
• Allium brevistylum S. Wats.
• Allium breweri S. Wats. accepted as Allium falcifolium Hook. & Arn.
• Allium burdickii (Hanes) A.G. Jones
• Allium burlewii A. Davids.
• Allium campanulatum S. Wats.
• Allium canadense Linnaeus
• Allium carinatum Linnaeus
• Allium cascadense M.E. Peck accepted as Allium crenulatum Wieg.
• Allium cepa Linnaeus
• Allium cernuum Roth
• Allium chinense G. Don
• Allium collinum Dougl. ex S. Wats. accepted as Allium fibrillum M.E. Jones
• Allium columbianum (Ownbey & Mingrone) P. Peterson, Annable & Rieseberg
• Allium constrictum (Ownbey & Mingrone) P. Peterson, Annable & Rieseberg
• Allium continuum Small accepted as Allium canadense Linnaeus
• Allium coryi M.E. Jones
• Allium cratericola Eastw.
• Allium crenulatum Wieg.
• Allium crispum Greene
• Allium cristatum S. Wats. accepted as Allium nevadense S. Wats.
• Allium croceum Torr. accepted as Bloomeria crocea (Torr.) Coville
• Allium cusickii S. Wats. accepted as Allium tolmiei (Hook.) Baker ex S. Wats.
• Allium cuthbertii Small
• Allium davisiae M.E. Jones accepted as Allium lacunosum S. Wats.
• Allium denticulatum (Ownbey & Aase) McNeal
• Allium diabolense (Ownbey & Aase) McNeal
• Allium dichlamydeum Greene
• Allium dictuon St. John
• Allium dictyotum Greene accepted as Allium geyeri S. Wats.
• Allium diehlii (M.E. Jones) M.E. Jones accepted as Allium brandegeei S. Wats.
• Allium douglasii Hook.
• Allium drummondii Regel
• Allium elmendorfii M.E. Jones ex Ownbey
• Allium equicaeleste St. John accepted as Allium macrum S. Wats.
• Allium falcifolium Hook. & Arn.
• Allium fibrillum M.E. Jones
• Allium fibrosum Rydb. accepted as Allium geyeri S. Wats.
• Allium fimbriatum S. Wats.
• Allium fistulosum Linnaeus
• Allium fragile A. Nels. accepted as Allium scilloides Dougl. ex S. Wats.
• Allium fragrans auct. non Vent. accepted as Nothoscordum borbonicum Kunth
• Allium fraseri (Ownbey) Shinners accepted as Allium canadense Linnaeus
• Allium geyeri S. Wats.
• Allium glandulosum Link & Otto
• Allium gooddingii Ownbey
• Allium haematochiton S. Wats.
• Allium helleri Small accepted as Allium drummondii Regel
• Allium hickmanii Eastw.
• Allium hoffmanii Ownbey
• Allium howellii Eastw.
• Allium hyacinthoides Bush accepted as Allium canadense Linnaeus
• Allium hyalinum Curran
• Allium incisum A. Nels. & J.F. Macbr. accepted as Allium lemmonii S. Wats.
• Allium inodorum Ait. accepted as Allium neapolitanum Cirillo
• Allium inodorum auct. non Ait. accepted as Nothoscordum borbonicum Kunth
• Allium intactum Jepson accepted as Allium sanbornii Wood
• Allium inyonis M.E. Jones accepted as Allium atrorubens S. Wats.
• Allium jepsonii (Ownbey & Aase) S. Denison & McNeal
• Allium johnstonii M.E. Jones ex Jepson accepted as Allium burlewii A. Davids.
• Allium kunthii G. Don
• Allium lacunosum S. Wats.
• Allium lavandulare Bates accepted as Allium canadense Linnaeus
• Allium lemmonii S. Wats.
• Allium macropetalum Rydb.
• Allium macrum S. Wats.
• Allium madidum S. Wats.
• Allium marvinii A. Davids. accepted as Allium haematochiton S. Wats.
• Allium membranaceum Ownbey
• Allium microscordion Small accepted as Allium canadense Linnaeus
• Allium minimum M.E. Jones accepted as Allium brandegeei S. Wats.
• Allium mirabile Henderson accepted as Allium bolanderi S. Wats.
• Allium miser Piper accepted as Allium punctum Henderson
• Allium mobilense Regel accepted as Allium canadense Linnaeus
• Allium modocense Jepson accepted as Allium parvum Kellogg