Bolbitius is a genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of small 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...

s in the Bolbitiaceae

Bolbitiaceae

The Bolbitiaceae are a family of basidiomycete fungi. There are 17 genera and 171 species in the family.-Description:This family is of mushrooms that have a hymenium on gills, brown spores and a hymenoderm pileipellis.-Differences in genera:...

 family.

Taxonomic details

The genus Bolbitius is defined as small thin Mycena

Mycena

Mycena is a large genus of small saprotrophic mushrooms that are rarely more than a few centimeters in width. They are characterized by a white spore print, a small conical or bell-shaped cap, and a thin fragile stem. Most are gray or brown, but a few species have brighter colors. Most have a...

-like mushrooms, with an hymenoderm pileipellis

Pileipellis

thumb|300px||right|The cuticle of some mushrooms, such as [[Russula mustelina]] shown here, can be peeled from the cap, and may be useful as an identification feature....

, a glutinous 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...

 surface, and spore

Spore

In biology, a spore is a reproductive structure that is adapted for dispersal and surviving for extended periods of time in unfavorable conditions. Spores form part of the life cycles of many bacteria, plants, algae, fungi and some protozoa. According to scientist Dr...

s which are brown in deposit

Spore print

thumb|300px|right|Making a spore print of the mushroom Volvariella volvacea shown in composite: mushroom cap laid on white and dark paper; cap removed after 24 hours showing pinkish-tan spore print...

. Spores of mushrooms of this genus are thick-walled, smooth and have a germ pore.

Species

B. acer – B. affinis – B. albiceps – B. albipes – B. albus – B. alliaceus – B. ameghinoi – B. apicalis – B. autumnalis – B. bambusicola – B. broadwayi – B. bruchii – B. brunneodiscus – B. brunneus – B. bulbillosus – B. callistus – B. citrinus – B. compactus – B. conocephalus – B. contribulans – B. coprophilus – B. cremeus – B. demangei – B. elegans – B. exiguus – B. expansus – B. ferrugineus – B. fissus – B. flavellus – B. flavus – B. floridanus – B. glatfelteri – B. gloiocyaneus – B. gracilior – B. grandiusculus – B. huijsmanii – B. hydrophilus – B. incarnatus – B. intermedius – B. jalapensis – B. lacteus – B. liberatus – B. lineatus – B. longipes – B. luteolus – B. luteus – B. macrorhizus – B. malesianus – B. marcescibilis – B. marginatipes – B. mesosporus – B. mexicanus – B. mitriformis – B. muscicola – B. nobilis – B. oryzae – B. ozonii – B. panaeoloides – B. perpusillus – B. phascoides – B. pluteoides – B. psittacinus – B. purifluus – B. pusillus – B. radians - B. reticulatus – B. rivulosus – B. roseipes – B. rubellus – B. stramineus – B. titubans – B. tjibodensis – B. tripolitanus – B. tucumanensis – B. variicolor – B. versicolor – B. villipes – B. viscosus – B. vitellinus – B. yunnanensis