Orange Peel Fungus

Description:

The Orange Peel Fungus (Aleuria aurantia) is a widespread ascomycete fungus in the order Pezizales. The brilliant orange, cup-shaped ascocarps often resemble orange peels strewn on the ground, giving this species its common name. The orange peel fungus grows on bare clay or disturbed soil throughout North America and Europe. Aleuria aurantia fruits mainly in late summer and autumn. Wikipedia

Habitat:

Next to a hiking trail near Jack London State Park, Glen Ellen, CA.