You've gotta dig pretty deep in there to find a "sometimes... excluding Canada", hahaha.
I'll go with the second sentence, whereby the Pacific Northwest broadly lines up with Cascadia.
"Though no official boundary exists, the most common conception includes the U.S. states of Oregon, Washington, and Idaho, and the Canadian province of British Columbia."
Feb. 8, 2023, 9:49 a.m. - Cooper Quinn
You've gotta dig pretty deep in there to find a "sometimes... excluding Canada", hahaha. I'll go with the second sentence, whereby the Pacific Northwest broadly lines up with Cascadia. "Though no official boundary exists, the most common conception includes the U.S. states of Oregon, Washington, and Idaho, and the Canadian province of British Columbia."