Purple starthistle (centaurea calcitrapa L.) and Iberian starthistle (centaurea iberica Trev. ex Sprengel)
By: Cindy Talbott Roché and Ben F. Roché.
Contributors: Roché, Ben F.; Oregon State University. Extension Service.; Washington State University. Cooperative Extension.; University of Idaho. Cooperative Extension Service.; United States. Dept. of Agriculture.
Series: PNW -- 350.; PNW (Series) -- 350.
Publisher: Oregon State University Extension Service; Washington State University Cooperative Extension; University of Idaho Cooperative Extension Service; U.S. Dept. of Agriculture
Published: 1990
Place of publication: [Corvallis, Or.]; [Olympia, Wash.]; [Moscow, Idaho]; [Washington, D.C.]
Language: eng
Subjects: Thistles -- Control.; Purple starthistle -- Control.
Notes: Title from caption.

"Published March 1990"--P. 4.

"A Pacific Northwest extension publication - Washington, Oregon, Idaho."

Includes bibliographical references (p. 4).