The designation of the state mushroom came at no cost to the state. Colorado has a state bird, animal, tree, fish, flower, fossil and now a state mushroom. Gov. Jared Polis signed a bill Monday ...

The Emperor mushroom joins other iconic official state symbols such as the Rocky Mountain Columbine flower, bighorn sheep, Colorado blue spruce and lark buntings to represent the Centennial State.

Colorado has a state bird, animal, tree, fish, flower, fossil and now a state mushroom. Gov. Jared Polis signed a bill Monday proclaiming Agaricus julius, or the "Emperor formerly known as Prince ...