Giant hogweed (Heracleum mantegazzianum Somm. & Lev.)
By: [by Cindy Roché].
Contributors: Washington State University. Cooperative Extension Service.
Series: PNW -- 429.; Weeds; PNW (Series) -- 429.; Weeds (Pacific Northwest Cooperative Extension)
Publisher: Washington State University Extension Service
Published: 1992
Place of publication: [Pullman, Wash.]
Language: eng
Subjects: Giant hogweed -- Control.
Other titles: Heracleum mantegazzianum Somm. & Lev.
Notes: "December 1992."