This genus (under Monotropa) was placed in the Monotropaceae in Michigan Flora.
All species found in Hypopitys
Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. January 23, 2021. https://michiganflora.net/genus.aspx?id=Hypopitys.