Mycena renati, commonly known as the beautiful bonnet, is a species of mushroom

Mushroom

A mushroom is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground on soil or on its food source. The standard for the name "mushroom" is the cultivated white button mushroom, Agaricus bisporus; hence the word "mushroom" is most often applied to those fungi that...

 in the Mycenaceae

Mycenaceae

The Mycenaceae are a family of fungi in the order Agaricales. According to the Dictionary of the Fungi , the family contains 10 genera and 705 species. This is one of several families that were separated from the Tricholomataceae as a result of phylogenetic analyses...

 family. It was described by French mycologist Lucien Quélet

Lucien Quélet

thumb|Lucien QuéletLucien Quélet was a French mycologist and naturalist who discovered several species and was the founder of the Société mycologique de France, a society devoted to mycological studies....

 in 1886. It has been collected in Austria, Uşak Province

Usak Province

Uşak is a province in western Turkey. Its adjacent provinces are Manisa to the west, Denizli to the south, Afyon to the east, and Kütahya to the north. The provincial capital is Uşak, and its traffic code is 64. The province covers an area of 5,341 km² and has a population of 335,860...

 in Western Turkey, and Yugoslavia.

Description

The cap

Pileus (mycology)

The pileus is the technical name for the cap, or cap-like part, of a basidiocarp or ascocarp that supports a spore-bearing surface, the hymenium. The hymenium may consist of lamellae, tubes, or teeth, on the underside of the pileus...

is initially conic or parabolic, but expands somewhat in maturity to become convex, and typically reaches dimensions of up to 3.2 cm (1.3 in).