1. Leaves pinnatifid (at least near base) or bipinnatifid.
1. Leaves undivided (though sharply or regularly and closely toothed).
All species found in Leucanthemum
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. February 24, 2018. http://www.michiganflora.net/genus.aspx?id=Leucanthemum.