TY  - BOOK
AU  - Weldon,Lyle W.
AU  - Blackburn,R D,joint author
AU  - Harrison,Dalton Sidney,1920-,joint author
ED  - University of Florida.
TI  - Common aquatic weeds
T2  - Agriculture handbook (United States. Dept. of Agriculture)
U1  - 581.92 
PY  - 1969///]
CY  - Washington]
PB  - Agricultural Research Service, U.S. Dept. of Agriculture
KW  - Aquatic weeds
KW  - Aquatic plants
N1  - Cover title; Prepared in cooperation with Florida Agricultural Experiment Station and others; Bibliography: p. 43
ER  -