Geopora sumneriana is a species of Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

an fungus

Fungus

A fungus is a member of a large group of eukaryotic organisms that includes microorganisms such as yeasts and molds , as well as the more familiar mushrooms. These organisms are classified as a kingdom, Fungi, which is separate from plants, animals, and bacteria...

 belonging to the family Pyronemataceae

Pyronemataceae

The Pyronemataceae are a family of fungi in the order Pezizales. It is the largest family of the Pezizales, encompassing 75 genera and approximately 500 species...

.

This fungus forms a rounded brown, roughly hairy ascocarp

Ascocarp

An ascocarp, or ascoma , is the fruiting body of an ascomycete fungus. It consists of very tightly interwoven hyphae and may contain millions of asci, each of which typically contains eight ascospores...

 underground. This fruiting body remains subterranean for most of the year but breaks the surface in the spring to form a cream-coloured cup (apothecium) up to 7 cm across and 5 cm tall. This species occurs in small groups and is exclusively found associated with cedar trees.