Diatoms were found to be the dominant plankters in Iowa farm ponds. A winter bloom of Synedra acus var. radians (Kutz.) Hust is described.
Proceedings of the Iowa Academy of Science
©1964 Iowa Academy of Science, Inc.
Ohl, Lloyd E.
"Notes on Iowa Diatoms VII I. Winter Bloom of Synedra acus in a Farm Pond,"
Proceedings of the Iowa Academy of Science, 71(1), 67-71.
Available at: https://scholarworks.uni.edu/pias/vol71/iss1/11