Red rot of ponderosa pine
Andrews, S.R.
Red rot of ponderosa pine - Washington 1971 - 1-8 p. - Pine United States Department of Agriculture, Forest Service. Forest Pest Leaflet No. 123 .
Red rot of ponderosa pine - Washington 1971 - 1-8 p. - Pine United States Department of Agriculture, Forest Service. Forest Pest Leaflet No. 123 .