Geastrum rufescens, also known as Rosy earthstar, is a globe-shaped pale brown fruitbody that opens on maturity. Its outer skin splits into a star shape. Inside is a pale grey to grey buff ball, which contains the spores. It grows usually clustered in light soil around decaying hardwood stumps, summer to fall.
first globe-shaped, yellow brown, partially submerged in the substrate, covered with mycelium that picks up dirt and debris. Opens on maturity so its outer skin splits into a star shape with 6–8 pink to pinkish tan, radiating, pointed arms.
There are over 50 species in Geastrum genus of which many differs only slightly from Geastrum rufescens.
on the MushroomExpert.Com Web site.
The second photo is by Jimmy Craine and licensed under the Creative Commons Attribution 3.0 Unported license.