I've never heard of this type of cheese. Is it made with the mushrooms?
Could you possibly mean murol, the semi-hard, washed rind from central France?
I don't know that you'd be able to find that exact cheese anywhere in Seattle, but you might try PCC, or DeLaurenti. I know that Beecher's Hand Made Cheese does not carry that particular cheese (all their cheeses are produced domestically), but you might be able to find something similar. The closest that I can think of that Beecher's carries would be the Tumalo Tomme, from Juniper Grove Farm in Oregon. It's probably going to be a bit more pungent than murol and perhaps more firm, but an excellent cheese and definitely worth trying, regardless of how it compares to what you're looking for.