''Chamaeota'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

in the

Pluteaceae The Pluteaceae are a family of small to medium-sized mushrooms which have free gill attachment and pink spores. Members of Pluteaceae can be mistaken for members of Entolomataceae, but can be distinguished by the angled spores and attached gills ...

family of small- to medium-sized mushrooms. They have a central stipe, free

gills A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are ...

, smooth pink

spore In biology, a spore is a unit of sexual reproduction, sexual (in fungi) or asexual reproduction that may be adapted for biological dispersal, dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores fo ...

s, and a

partial veil In mycology, a partial veil (also called an inner veil, to differentiate it from the "outer", or universal veil) is a temporary structure of tissue found on the fruiting bodies of some Basidiomycota, basidiomycete fungus, fungi, typically agarics. ...

that usually forms an

annulus Annulus (or anulus) or annular indicates a ring- or donut-shaped area or structure. It may refer to: Human anatomy * ''Anulus fibrosus disci intervertebralis'', spinal structure * Annulus of Zinn, a.k.a. annular tendon or ''anulus tendineus comm ...

(ring) on the stipe. ''Chamaeota'' can be distinguished from ''

Volvariella ''Volvariella'' is a genus of fungi with deep salmon-pink gills and spore prints. Description The mushrooms lack a ring, and have an Amanita-like volva at the stem base. Some species of ''Amanita'' look similar, but ''Amanita'' has white spores ...

'' by its lack of a volva and from ''

Entolomataceae The Entolomataceae are a family of fungi in the order Agaricales. The family contains eight genera and 2250 species, the majority of which are in ''Entoloma''. Basidiocarps (fruit bodies) are typically agaricoid (mushrooms with gills), but a mino ...

'' by its free gills and smooth spores. Members of ''Chamaeota'' are extremely rare. Most species are tropical but at least two species exist in the United States. The

type species In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...

is ''Chamaeota xanthogramma'' (Ces.) Earle s 'xanthogrammus'(1909).

Notable species

* '' Chamaeota broadwayi''

Murrill Murrill is a surname. Notable people with the surname include: * Herbert Murrill (1909–1952), English musician, composer, and organist * William Murrill (1869–1957), American mycologist See also * Murrell (disambiguation) * Murrills Murrill ...

(1911) * '' Chamaeota dextrinoidespora'' Z.S. Bi (1988) * '' Chamaeota fenzlii'' (Schulzer)

Singer Singing is the art of creating music with the voice. It is the oldest form of musical expression, and the human voice can be considered the first musical instrument. The definition of singing varies across sources. Some sources define singi ...

(1979) (eq '' Pluteus fenzlii'') * '' Chamaeota insignis'' (Cooke & Massee) Pegler (1965) * '' Chamaeota longipes'' Wichanský (1967) * '' Chamaeota sinica'' J.Z. Ying (1995) * '' Chamaeota sphaerospora'' (eq '' Pluteus mammillatus'') * '' Chamaeota subolivascens'' Courtec. (1991) * '' Chamaeota tropica'' Pegler (1983) * '' Chamaeota xanthogramma'' (Ces.) Earle (1909)

External links

Photographs of ''Chamaeota sphaerospora''

* ttps://www.researchgate.net/publication/259800432_Annulate_Pluteus_species_a_study_of_the_genus_Chamaeota_in_the_United_States research on chamaeota Pluteaceae Agaricales genera {{Agaricales-stub