Geastrum pectinatum Pers. Kamm-Erdstern. Fruit body opening to 3–6cm across, outer wall splitting into 6–12 pointed brown rays which become irregularly cracked. Spore sac on a slender stalk 5–6mm long, lead-grey, opening by a central pore surmounting a conical, furrowed mouth. Spores dark brown, globose and warted, 4–7um in diameter. Habitat on soil in coniferous, more rarely deciduous, woods. Season autumn. Rare. Not edible. Distribution, America and Europe.