A taxonomic treatment, in which the genus Steironema, consisting of three species in Iowa, is united with the genus Lysimachia in accordance with the opinion of recent students of these members of the primrose family. Of the total of six species, three require changing of the specific epithet.
Proceedings of the Iowa Academy of Science
©1941 Iowa Academy of Science, Inc.
Goodman, Geo. J. and Leyendecker, P. J.
"The Genus Lysimachia in Iowa (Abstract),"
Proceedings of the Iowa Academy of Science, 48(1), 193-193.
Available at: https://scholarworks.uni.edu/pias/vol48/iss1/25