Prescott, G. W.

How to know the aquatic plants [by] G. W. Prescott. - Dubuque, Iowa W. C. Brown Co. [1969] - viii, 171 p. illus. 22 cm. - Pictured key nature series .

Bibliography: p. 155.

79089534 //r902


Freshwater flora--Identification.--United States

QK105 / .P7

581.9/29/73