A disease of pines caused by Cronartium pyriforme
By: by George G. Hedgcock and William H. Long.
Contributors: Long, W. H. 1867-1947.
Series: Bulletin / United States Department of Agriculture -- no. 247; Bulletin (United States. Dept. of Agriculture) -- no. 247.
Publisher: U.S. Dept. of Agriculture
Published: 1915
Place of publication: Washington, D.C
Language: eng
Number of pages: 20
Subjects: Pine -- Diseases and pests.