Tulipa sylvestris, the Eurasian woodland tulip, has been found as an escape in adjacent Ontario. This is a small yellow species forming colonies by rhizomes. Other species of tulip are also cultivated and may escape or persist.
All species found in Tulipa
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. September 27, 2020. https://michiganflora.net/genus.aspx?id=Tulipa.