How to identify ink spot of poplars
By: prepared by Forest Service, North Central Forest Experiment Station
Contributors: North Central Forest Experiment Station (Saint Paul, Minn.)
Publisher: U.S. Dept. of Agriculture; Available from North Central Forest Experiment Station; Available from NA State & Private Forestry
Published: 1982
Place of publication: Washington, D.C; St. Paul, Minn; Broomall, Pa
Language: eng
Subjects: Poplar -- Diseases and pests -- United States