From Great Lakes Wiki
A tree in the Birch family, the Black alder came from Eurasia by accident when cultivators released seeds into waterways. The impact of this species is low, but it can outcompete and displace native trees. Its time of invasian was the late 1800's.
-If I fall and your not around to hear me, I still make a sound silly.
Image from: www.bomengids.nl
