Besides the single species in North America, this genus is represented in Chile and in eastern Asia, a specialist in disjunct distribution.
All species found in Adenocaulon
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. September 22, 2018. https://www.michiganflora.net/genus.aspx?id=Adenocaulon.