The vividly colored fruiting body of the hemlock varnish shelf fungus, Ganoderma tsugae, peeks out from a split in a hemlock tree's bark. Harrisburg, Pa. — Seven U.S. states have a mushroom as ...

Though it looks like a fungus of some sort, it actually comes from a substance secreted by certain soft-bodied organisms. Powered by The Sea Ganoderma is a One Star Local Specialty (Inazuma ...