''Leucoagaricus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial no ...

fungi A fungus ( : fungi or funguses) is any member of the 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, separately from ...

in the family

Agaricaceae The Agaricaceae are a family of basidiomycete fungi and include the genus ''Agaricus'', as well as basidiomycetes previously classified in the families Tulostomataceae, Lepiotaceae, and Lycoperdaceae. Taxonomy The family Agaricaceae was publishe ...

. Several fungus-growing ants cultivate multiple species for food. The genus contains approximately 90 species.

Taxonomy

This group of mushrooms was first defined as a subgenus of '' Leucocoprinus'' by Marcel Locquin in 1945, and it was then elevated to the status of genus by Rolf Singer in the journal ''

Sydowia ''Sydowia'' is a genus of fungi in the family Dothioraceae described by Giacomo Bresadola in 1895. The name honours German mycologist, Paul Sydow. Species As accepted by Species Fungorum; * '' Sydowia agharkarii'' * '' Sydowia ceanothi'' ...

'' in 1948. The group was characterized as belonging to family

with white, dirty cream or pink spores which are generally small (up to 10 µm) but much bigger in one species, with a germ pore, with a pseudo-

amyloid Amyloids are aggregates of proteins characterised by a fibrillar morphology of 7–13 nm in diameter, a beta sheet (β-sheet) secondary structure (known as cross-β) and ability to be stained by particular dyes, such as Congo red. In the hum ...

multilayered membrane, simple or ornamented, which is

metachromatic Metachromasia (var. metachromasy) is a characteristical change in the color of staining carried out in biological tissues, exhibited by certain dyes when they bind to particular substances present in these tissues, called chromotropes. For example, ...

in cresyl blue. The

hypha A hypha (; ) is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium. Structure A hypha consists of one or ...

e in the sporocarp are without clamp connections. There is always a ring which is initially fixed (but later may be movable). The type species is ''Leucoagaricus barssii'' (Zeller) Vellinga, which was formerly called ''L. macrorhizus''.

Species

Select species include: *'' Leucoagaricus americanus'' *'' Leucoagaricus badhamii'' *'' Leucoagaricus barssii'' *'' Leucoagaricus erythrophaeus'' *'' Leucoagaricus gaillardii'' *''

Leucoagaricus gongylophorus ''Leucoagaricus gongylophorus'' is a fungus in the family Agaricaceae which is cultivated by certain leafcutter ants. Like other species of fungi cultivated by ants, ''L. gongylophorus'' produces gongylidia, nutrient-rich hyphal swellings ...

'' *'' Leucoagaricus leucothites'' *'' Leucoagaricus meleagris'' *'' Leucoagaricus moseri'' *'' Leucoagaricus nympharum'' *'' Leucoagaricus rubrotinctus'' *'' Leucoagaricus sericifer''

References

Agaricales genera Taxa named by Rolf Singer {{Agaricaceae-stub

Taxonomy

Species

See also

References