It would be interesting to know if mg's local crop is the native (faily small) type or if it is the large berry type native to the Northesast US (hence, cultivated or introduced in Washington state).

The American variety is the commercial standard and is mostly grown is Wisconsin, Mass. and various areas known for their abundance of natural lakes and marshes.

Ericaceae (heather family) has an amazing assortment of both ornimental plants (Azalea, Rhododendron) and edible ones (blueberry and huckleberry).