found: CAB thes.(Erythronium, Liliaceae)
found: Hor. 3(Erythronium, Adder's tongue, Dog-tooth violet, Trout lily, Fawn lily)
found: New York botanical garden illustrated encyclopedia of horticulture, c1981(Erythronium, Adder's tongue, Dog's tooth violet, Trout lily, Avalanche lily; erythroniums)
found: Web. 3(Erythronium; Liliaceae; erythronium: any plant of the genus. Dogtooth violet, also dog's tooth violet)
found: SPN(Erythronium; Fawn lily)
found: Random House(dog tooth violet. Also called adder's tongue, trout lily)
found: Griffiths, M. Index of garden plants, 1994(Erythronium. Dog's-tooth violet, Adder's tongue, trout lily, fawn lily)
found: Britannica Micro.:p. 952 (Erythronium. Commonly known as dog's tooth violet)