I have a trillium blooming too. While it is similar to the Toadshade it is a different variety. It is Prairie Trillium. How do you tell the difference you ask?? Well the sepals on the Prairie Trillium are on the under side of the leaves. If you look at the Toadshade picture above you can see the sepals on top of the leaves.
If you have a shady spot in your garden either of these trilliums are great to have. They are in the lily family. Such reliable early bloomers once you get them established.
For more wildflower viewing and inspiration to incorporate wildflowers in your garden head over to Gail's blog Clay and Limestone.