''Leccinellum'' 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 n ...

fungi A fungus (plural, : fungi or funguses) is any member of the group of Eukaryote, eukaryotic organisms that includes microorganisms such as yeasts and Mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified ...

in the family

Boletaceae The Boletaceae are a family of mushroom-forming fungi, primarily characterised by small pores on the spore-bearing hymenial surface (at the underside of the mushroom), instead of gills as are found in most agarics. Nearly as widely distributed ...

. Mycologists Andreas Bresinsky and Manfred Binder

circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius. Not every po ...

the genus in 2003 to contain ''

Leccinum ''Leccinum'' is a genus of fungi in the family Boletaceae. It was the name given first to a series of fungi within the genus '' Boletus'', then erected as a new genus last century. Their main distinguishing feature is the small, rigid projections ...

'' species with a yellow pore surface and a trichoderm-like

cap cuticle The pileipellis is the uppermost layer of hyphae in the pileus of a fungal fruit body. It covers the trama, the fleshy tissue of the fruit body. The pileipellis is more or less synonymous with the cuticle, but the cuticle generally describes th ...

. ''Leccinellum nigrescens'' (originally ''Leccinum nigrescens'' Singer 1947) was designated the

type species In 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 species that contains the biological type specimen( ...

; this taxon has since been renamed to ''

Leccinellum crocipodium ''Leccinellum crocipodium'' is a species of bolete fungus in the family Boletaceae. Fruitbodies contain a benzotropolone pigment A pigment is a colored material that is completely or nearly insoluble in water. In contrast, dyes are typica ...

'' (Letell.) Della Maggiora & Trassinelli. The

oak An oak is a tree or shrub in the genus ''Quercus'' (; Latin "oak tree") of the beech family, Fagaceae. There are approximately 500 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably ''L ...

-associating ''

Leccinellum quercophilum ''Leccinellum'' is a genus of fungi in the family Boletaceae. Mycologists Andreas Bresinsky and Manfred Binder circumscribed the genus in 2003 to contain '' Leccinum'' species with a yellow pore surface and a trichoderm-like cap cuticle. ''L ...

Species

References

External links