Every spring, trilliums pop up all over Michigan’s woodsy areas. There are actually several species of trillium that occur naturally in our state. Bloom times are variable, from early March for the tiny snow trillium all the way through June for some of the larger species.
Today you can buy nursery-raised trillium at many garden shops. The Common Trillium Trillium grandiflorum has tree large white petals that tend to turn pink with age.
The trillium seeds are dispersed typically by ants, which is called myrmecochory, and less often by yellow jackets (Vespula vulgaris) and harvestmen (order Opiliones). White-tailed deer have also been shown to disperse the seeds on rare occasions by ingestion and defecation. While ants only move seeds up to about 10 meters, deer have been observed to transport the seeds over 1 kilometer.
Michigan Flora: http://michiganflora.net/genus.aspx?id=Trillium