na INLIS000000000024707 20230603103431 0010-1218006545 230603 g 0 eng The fresh-water algae of the United States / Gilbert M. Smith SMITH, Gilbert M. New York : McGraw-Hill, 1950 vii, 719 p. : ill. ; 23 cm. 582.263(73) SMI f 582.263(73) ALGAE UNITED STATES 2nd ed. 278/73