Rounded Earthstars (Geastrum saccatum)

''Geastrum saccatum'', commonly known as the rounded earthstar, is a species of mushroom belonging in the Geastrum genus. It is found in North America and Europe and is found growing on rotting wood. It is considered inedible by mushroomers because of its bitter taste. It is a common mushroom, but collections are at their peak during late summer.