Sinapis arvensis L.

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NEW YORK BOTANICAL GARDEN
03197116
Oregon State University
PLANTS OF OREGON
BRASSICA KABER (DC.) Wheeler
POLK CO.: Along State Hwy. 99W;
north of Monmouth where it
crosses the North Fork of Ash
Creek; flowers yellow; plants
.9-1.2 meters tall, taprooted
weed in fencerow by perennial
ryegrass field with Galium.
Avena, Daucus, Lactuca,
Cirsium, Convolvulus; T8S,
R4W, Sec. 18; elev. 60 meters.
July 10, 1983
Richard R. Halse (2701)
03197116