Lentibulariaceae

1. Leaves ovate or broadly elliptic, entire, in a compact basal rosette; corolla blue-violet; calyx 5-lobed.

Pinguicula

1. Leaves (or leaf-like structures) filiform and mostly buried in the substrate or dissected into filiform or very narrowly linear segments and aquatic (some buried); corolla yellow to pink-purple; calyx deeply 2-lobed.

Utricularia

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. May 26, 2017. http://michiganflora.net/family.aspx?id=LENTIBULARIACEAE.