"Trillium, that is one of the many plants that is finally coming back in the PA forests."
Hip hip hooray!.....
But seriously, In this area, Id never seen it leave. Didnt have the entire benches covered with the nonsense as is the case now, but it had always been here. Excessive unnatural levels of useless wildflowers at the cost of our deer herd. Gee, thats a swell trade-off. lol.