Maybe it wasn't Red Birch, but pretty sure it was a birch I read about. As an aside, I'll bet that close to 90% of the "white oak" furniture sold in the United States is made from ash, not oak trees. A magnifying glass shows the difference in the grain.
Here's some old Mi lobbying BlackBart might find interesting - https://www.legislature.mi.gov/documents/1999-2000/billanalysis/House/htm/1999-HLA-5690-A.htm
Tulip wood=poplar wood here, which an Aspen is supplemented also.
SPF lumber=Spruce/Pine/Fir