Washington State University / Plant Protection Service / Oregon State University / University of California / /
NaturalFeature
United Mountain / California bay / Quercus chrysolepis* Canyon / Griselinia Witch hazel Toyon Mountain / Quercus agrifolia* Coast / /
Organization
Department for Environment / Food and Rural Affairs / Food and Environment Research Agency / Oregon Department of Agriculture / Washington State Department of Agriculture / University of California / Davis / Washington State University / Oregon State University / University of California / Berkeley / Plant Protection Service / California Department of Food and Agriculture / Food Inspection Agency / /