Butomus is a Eurasian genus with a single species, locally naturalized in North America.
All species found in Butomus
Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. April 15, 2021. https://michiganflora.net/genus.aspx?id=Butomus.