Chicago

Burrill, L. C., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension System, United States. Dept. of Agriculture, and Pacific Northwest Cooperative Extension. 1994. Creeping Buttercup, Ranunculus Repens L. [1994]. : [Corvallis, Or.] : Oregon State University Extension Service ; [Olympia, Wash.] : Washington State University Cooperative Extension ; [Moscow, Idaho] : University of Idaho Cooperative Extension System ; [Washington, D.C.] : U.S. Dept. of Agriculture.