TY  - BOOK
AU  - Greeson,Phillip E.
TI  - An annotated key to the identification of commonly occurring and dominant genera of algae observed in the phytoplankton of the United States
T2  - U.S. Geological Survey water-supply paper
AV  - QK571 .G74 1982
PY  - 1982///
CY  - [Washington]
PB  - U.S. Dept. of the Interior, Geological Survey
KW  - Freshwater algae
KW  - United States
KW  - Identification
KW  - Classification
KW  - Freshwater phytoplankton
N1  - Bibliography: p. 133-138
ER  -