The following notes are based upon collections in our private herbarium. In point of time the period reaches from 1882 to 1897. The counties represented being Decatur, Appanoose, Wapello, Van Buren, Shelby, and Johnson, extended by occasional collections from neighboring counties.
Proceedings of the Iowa Academy of Sciences
©1897 Iowa Academy of Science, Inc.
Fitzpatrick, T. J. and Fitzpatrick, M. F. L.
"Flora of Southern Iowa,"
Proceedings of the Iowa Academy of Science, 5(1), 134-173.
Available at: https://scholarworks.uni.edu/pias/vol5/iss1/20