Clinton K. Williams

Field guide for forested plant associations of the Wenatchee National Forest. Forest Service general technical report

B. Smith, Terry R. Lillybridge, B. L. Kovalchik, 1995 .

Forested plant associations of the Colville National Forest. Forest Service general technical report

B. Smith, Clinton K. Williams, T. Lillybridge, 1995 .

Forested plant associations of the Okanogan National Forest

Clinton K. Williams, Terry R. Liuybridge, 1983 .