APA

McCain, C., & States. Forest Service. Pacific Northwest Region, U. (2004). Riparian plant communities of northwest Oregon : streamside plant communities : Mt. Hood N.F., Siuslaw N.F., and Willamette N.F., Eugene District, BLM, and Salem District, BLM. : [Portland, Or.?] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region.