60509
Prescott, Gerald Webber
9981-
How to know the aquatic plants
Dubuque, Iowa
W. C. Brown Co.
1969
viii, 171 p.: ill
Pictured key nature series
Bibliography: p. 155
G. W. Prescott
Identification -- United States ، Freshwater plants
QK
105
.
P7
AU
TI
SE
CL
