Pondweeds and pondweedlike plants of eastern North America
By: by Neil Hotchkiss.
Series: Circular -- 187; Circular (U.S. Fish and Wildlife Service) -- 187
Publisher: U.S. G.P.O.
Published: 1964
Place of publication: Washington, D.C
Language: eng
Number of pages: 29
Subjects: Freshwater plants -- North America; Aquatic weeds -- North America
Notes: "May 1964."

Includes index.