The following plants are not in Mr. Cratty's1 catalogue and, so far as I know, have not been definitely reported elsewhere from Iowa. All of the plants cited are in the Herbarium of Iowa State College.
Proceedings of the Iowa Academy of Science
©1939 Iowa Academy of Science, Inc.
Goodman, George J.
"Plants New to Iowa,"
Proceedings of the Iowa Academy of Science, 46(1), 105-106.
Available at: https://scholarworks.uni.edu/pias/vol46/iss1/12