Aquatic plants
Subtitle: management and control
By: Prepared by R.G. Wingard ... [et al.].
Series: Pennsylvania. State University. Agricultural Extension Service. Special circular -- 222; Natural resources series
Publisher: Pennsylvania State Univ., College of Agriculture Extension Service
Published: 1977
Place of publication: University Park, Pa
Language: eng
Number of pages: 18
Subjects: Aquatic weeds; Control; Freshwater plants
Notes: Cover title.

Supersedes Special Circular 79 of the same title.