Hawkweeds, Hieracium aurantiacum, H. pilosella, H. pratense, H. floribundum, H. piloselloides
By: Robert H. Callihan ... [et.al].
Contributors: Callihan, R. H. 1933-; University of Idaho. Cooperative Extension System.; Oregon State University. Extension Service.; Washington State University. Cooperative Extension.; United States. Dept. of Agriculture.
Series: PNW -- 499.; Weeds; PNW (Series) -- 499.; Weeds (Pacific Northwest Cooperative Extension)
Publisher: University of Idaho Cooperative Extension System; Oregon State University Extension Service; Washington State University Cooperative Extension; U.S. Dept. of Agriculture
Published: 1997
Place of publication: [Moscow, Idaho]; [Corvallis, Or.]; [Olympia, Wash.]; [Washington, D.C.]
Language: eng
Subjects: Hawkweeds -- Control.; Hawkweeds -- Northwestern States.
Other titles: Hieracium aurantiacum, H. pilosella, H. pratense, H. floribundum, H. piloselloides.
Notes: Title from caption.

"Published September 1997"--P. [4].