Wild morning-glory (Convolvulus)
By: by J.R. Nevius.
Contributors: Oregon Agricultural College. Extension Service.
Series: Cir -- 158.; Circular (Oregon Agricultural College. Extension Service) -- 158.
Publisher: Oregon Agricultural College, Extension Service
Published: 1928
Place of publication: Corvallis, OR
Language: eng
Subjects: Morning glories -- Control -- Oregon.; Convolvulus -- Control -- Oregon.
Notes: Caption title.

"July, 1928."