Phoradendron on conifers
By: Frank G. Hawksworth, Robert G. Scharpf
Contributors: Scharpf, Robert F., 1931-; United States. Forest Service
Series: Forest insect & disease leaflet -- 164; Forest insect & disease leaflet -- 164.
Publisher: U.S. Dept. of Agriculture, Forest Service
Published: 1981
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Conifers; Diseases and pests; Mistletoes
Notes: Caption title.

"January 1981"--P. 4 of cover.

Bibliography: p. 7.