Historical Common Names of Great Plains Plants:

Lactuca biennis (Moench) Fern.

Origin: native

Scientific Synonyms: Lactuca leucophaea Gray, Lactuca spicata (Lam.) A.S. Hitchc. var. integrifolia (Torr. & Gray) Britton, Lactuca spicata auct. non (Lam.) A.S. Hitchc., Lacutca leucophaea Gray, Mulgedium spicatum (Lam.) Small var. integrifolium (Torr. & Gray) Small, Mulgedium spicatum auct. non (Lam.) Small, Lactuca spicata (Lam.) A.S. Hitchc.--Britton & Brown

Common names:

Blue lettuce (1942) (155)

Blue wood lettuce (1977-1986) (3, 4)

Milkweed [Milk weed] (1896-1913) (5, 76)

Tall blue lettuce (1899-Present) (5, 50, 62, 72, 131)