Lactuca biennis (Moench) Fernald. Tall Blue Lettuce, Blue Wood Lettuce. Phen: Aug-Nov. Hab: Pastures, roadsides, forest edges, thickets. Dist: NL (Labrador) and AK south to NC, TN, IA, CO, UT, and CA.
Origin/Endemic status: Native
Syn: = C, F, FNA19, G, GrPl, Il, K1, K3, K4, Mi, NE, Oh3, Pa, RAB, SE1, Tn, Va, W, WV; > Mulgedium spicatum var. integrifolium – S; > Mulgedium spicatum var. spicatum – S
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© Bruce A. Sorrie
© Gary P. Fleming
© Gary P. Fleming
© Alan Weakley source
© Alan Weakley source