The following list of Cladocera is a continuation of the list published in the Proceedings of the Iowa Academy of Science for 1917. It represents the species collected during the summer of 1919, from June 24 to September 1.
Proceedings of the Iowa Academy of Science
©1920 Iowa Academy of Science, Inc.
Stromsten, Frank A.
"Cladocera of the Okoboji Region,"
Proceedings of the Iowa Academy of Science, 27(1), 265-268.
Available at: https://scholarworks.uni.edu/pias/vol27/iss1/53