Gray, A. N., Barndt, K., & Reichard, S. H. (2011). Nonnative invasive plants of Pacific Coast forests: A field guide for identification. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.
Chicago Style (17th ed.) CitationGray, Andrew N., Katie Barndt, and Sarah H. Reichard. Nonnative Invasive Plants of Pacific Coast Forests: A Field Guide for Identification. [Portland, Or.]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2011.
MLA (9th ed.) CitationGray, Andrew N., et al. Nonnative Invasive Plants of Pacific Coast Forests: A Field Guide for Identification. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2011.
Warning: These citations may not always be 100% accurate.