Brassica napus L.

2o-f 2.
Oregon State University
Flora of Oregon, U.S.A.
Brassica napus L.
Douglas Co., Oregon: Along Cow Creek Road ca. 17.6
miles southwest of Riddle. Elev. 352 m.
N 42.88855° W 123.5603° WGS84
Habitat: Roadside ditch.
Plants ca. 1.5 meters tall, naturalized, appearing to be
perennial or biennial; flowers bright yellow.
Associated taxa: Vicia, Lupinus, Plantago, Galium,
Amsinckia, Centaurea, Daucus.
Richard R. Halse 7860	27	April	2010