found: Reed, Giles. Olly Onion, 1981(DLC)80027382
found: PLANTS database, viewed December 12, 2022(Allium cepa, Taxonomic rank: Species; Common name: Garden onion; Kingdom: Plantae; Division: Magnoliophyta; Class: Monocotyledons; Family: Liliaceae; Genus: Allium)
found: ITIS database, viewed December 12, 2022(Allium cepa, Taxonomic rank: Species; Common name: garden onion; Kingdom: Plantae; Division: Tracheophyta; Subdivision: Manoliophyta; Superorder: Lilianeae; Order: Asparagales; Family: Amaryllidaceae; Genus: Allium)
found: Britannica online, viewed December 12, 2022(onion, allium cepa, herbaceous biennial plant in the amaryllis family (Amaryllidaceae) grown for its edible bulb)