Leucanthemum

1. Leaves pinnatifid (at least near base) or bipinnatifid.

L. vulgare

1. Leaves undivided (though sharply or regularly and closely toothed).

L. ×superbum

All species found in Leucanthemum

Leucanthemum ×superbumSHASTA DAISY 
Leucanthemum vulgareOX-EYE DAISY 

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. October 19, 2017. http://michiganflora.net/genus.aspx?id=Leucanthemum.