where are mushrooms originally from
Categories: Mushroom. Though originally from Japan and Korea, the delicious shiitake mushroom is now being cultivated in the United States (where it's often called golden oak) in a number of states including California, Pennsylvania, Vermont, Washington and Virginia.hough originally from Japan and Korea, the delicious shiitake mushroom is now being cultivated in the United States (where it's often called golden oak) in a number of states including California, Pennsylvania, Vermont, Washington and Virginia.