Onion (Allium) -

• Twinleaf Onion (Anceps)
  
• Wild Onion (Ascalonicum)
  
• Narrowleaf Onion (Amplectens)
  
• Broadleaf Wild Leek (Ampeloprasum)
  
• Aflatunense (Aflatunense)
  
• Allegheny Onion (Allegheniense)
  
• Darkred Onion (Atrorubens)
  Darkred Onion, Darkred Onion
• Broadleaf Wild Leek (Atroviolaceum)
  
• Brandegee's Onion (Brandegeei)
  
• Shortstyle Onion (Brevistylum)
  
• Bolander's Onion (Bolanderi)
  Bolander's Onion, Bolander's Onion, Bolander's Onion
• Twincrest Onion (Bisceptrum)
  Twincrest Onion, Aspen Onion
• Bigelow's Onion (Bigelovii)
  
• Tapertip Onion (Acuminatum)
  
• Abrams' Allium (Abramsii)
  
• Rawhide HIll Onion (Tuolumnense)
  
• Wild Leek (Tricoccum)
  
• Chinese Chives (Tuberosum)
  
• Threecorner Leek (Triquetrum)
  
• Threebract Onion (Tribracteatum)
  
• Oneleaf Onion (Unifolium)
  
• Bear Garlic (Ursinum)
  
• Yosemite Onion (Yosemitense)
  
• South Idaho Onion (Aaseae)
  
• Wild Garlic (Vineale)
  Compact Onion, Wild Garlic
• Victory Onion (Victorialis)
  
• Pacific Onion (Validum)
  
• Narrowleaf Wild Leek (Burdickii)
  
• Burlew's Onion (Burlewii)
  
• Douglas' Onion (Douglasii)
  
• Drummond's Onion (Drummondii)
  
• Blue Mountain Onion (Dictuon)
  
• Coastal Onion (Dichlamydeum)
  
• Serpentine Onion (Diabolense)
  
• Elmendorf's Onion (Elmendorfii)
  
• Scytheleaf Onion (Falcifolium)
  
• Geyer's Onion (Geyeri)
  Geyer's Onion, Geyer's Onion, Bulbil Onion
• Gland Onion (Glandulosum)
  
• Welsh Onion (Fistulosum)
  
• Fringed Onion (Fimbriatum)
  Fringed Onion, Mojave Fringed Onion, Purdy's Fringed Onion
• Cuddy Mountain Onion (Fibrillum)
  
• Toothed Onion (Denticulatum)
  
• Striped Garlic (Cuthbertii)
  
• Garden Onion (Cepa)
  
• Nodding Onion (Cernuum)
  Nodding Onion, Nodding Onion, New Mexican Nodding Onion
• Carinatum (Carinatum)
  
• Meadow Garlic (Canadense)
  Meadow Garlic, Meadow Garlic, Fraser Meadow Garlic
• Dusky Onion (Campanulatum)
  
• Rakkyo (Chinense)
  
• Columbian Onion (Columbianum)
  
• Olympic Onion (Crenulatum)
  
• Crinkled Onion (Crispum)
  
• Cascade Onion (Cratericola)
  
• Yellowflower Onion (Coryi)
  
• Grand Coulee Onion (Constrictum)
  
• Tolmie's Onion (Tolmiei)
  Sevendevils Onion, Wallowa Onion, Tolm's Onion
• Textile Onion (Textile)
  
• Daffodil Garlic (Neopolitanum)
  
• Nevada Onion (Nevadense)
  
• White Garlic (Neapolitanum)
  
• Munz's Onion (Munzii)
  
• San Bernardino Mountain Onion (Monticola)
  
• Nevius' Garlic (Nevii)
  
• Black Garlic (Nigrum)
  
• Lillydale Onion (Oxyphilum)
  
• Mediterranean Onion (Paniculatum)
  
• Field Garlic (Oleraceum)
  
• Chinese Chives (Odorum)
  
• Red Sierra Onion (Obtusum)
  Red Sierra Onion, Red Sierra Onion
• Moly (Moly)
  
• Papery Onion (Membranaceum)
  
• Howell's Onion (Howellii)
  Clokey's Onion, Howell's Onion, San Benito Onion
• Glassy Onion (Hyalinum)
  
• Beegum Onion (Hoffmanii)
  
• Hickman's Onion (Hickmanii)
  
• Redskin Onion (Haematochiton)
  
• Jepson's Onion (Jepsonii)
  
• Kunth's Onion (Kunthii)
  
• Rock Onion (Macrum)
  
• Swamp Onion (Madidum)
  
• Largeflower Onion (Macropetalum)
  
• Lemmon's Onion (Lemmonii)
  
• Pitted Onion (Lacunosum)
  Pitted Onion, Kern's Pitted Onion, Pitted Onion
• Parish's Onion (Parishii)
  
• Parry's Fringed Onion (Parryi)
  
• Sand Leek (Scorodoprasum)
  Sand Leek
• Jeweled Onion (Serra)
  
• Fragile Onion (Scilloides)
  
• Wild Chives (Schoenoprasum)
  Wild Chives, Wild Chives
• Cultivated Garlic (Sativum)
  
• Serratum (Serratum)
  
• Sharsmith's Onion (Sharsmithiae)
  
• Little River Canyon Onion (Speculae)
  
• Autumn Onion (Stellatum)
  
• Siskiyou Onion (Siskiyouense)
  
• Simil Onion (Simillimum)
  
• Spanish Needle Onion (Shevockii)
  
• Sanborn's Onion (Sanbornii)
  Congdon's Onion, Sanborn's Onion
• Runyon's Onion (Runyonii)
  
• Plains Onion (Perdulce)
  Plains Onion, Sperry's Onion
• Broadstemmed Onion (Platycaule)
  
• Mexicali Onion (Peninsulare)
  San Francisco Onion, Penisula Onion
• Passey's Onion (Passeyi)
  
• Small Onion (Parvum)
  
• Manyflower Onion (Pleianthum)
  
• Tanners Canyon Onion (Plummerae)
  
• Dotted Onion (Punctum)
  
• Robinson's Onion (Robinsonii)
  
• Garden Onion (Proliferum)
  
• Early Onion (Praecox)
  
• Garden Leek (Porrum)
  
• Goodding's Onion (Gooddingii)