''Lithographa'' 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 ...

of lichenized

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

Xylographaceae ''Xylographaceae'' is a family of lichen-forming fungi in the order Baeomycetales. It contains four genera and 25 species. Taxonomy The family was circumscribed in 1888 by American lichenologist Edward Tuckerman (as "Xylographei"). His concept ...

. The genus was

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 ...

in 1857 by Finnish botanist

William Nylander William Andrew Michael Junior Nylander Altelius (born 1 May 1996) is a Canadian-born Swedish professional ice hockey right winger for the Toronto Maple Leafs of the National Hockey League (NHL). Nylander was selected by the Maple Leafs in the ...

, with ''Lithographa petraea'' assigned as 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 species is now known as ''

Lithographa tesserata ''Lithographa'' is a genus of lichenized fungi in the family Xylographaceae. The genus was circumscribed in 1857 by Finnish botanist William Nylander, with ''Lithographa petraea'' assigned as the type species. This species is now known as '' ...

''.

Species

*''

Lithographa graphidioides ''Lithographa'' is a genus of lichenized fungi in the family Xylographaceae. The genus was circumscription (taxonomy), circumscribed in 1857 by Finnish botanist William Nylander (botanist), William Nylander, with ''Lithographa petraea'' assigned ...

'' *''

Lithographa olivacea ''Lithographa'' is a genus of lichenized fungi in the family Xylographaceae. The genus was circumscribed in 1857 by Finnish botanist William Nylander, with ''Lithographa petraea'' assigned as the type species. This species is now known as '' ...

'' *''

Lithographa opegraphoides ''Lithographa'' is a genus of lichenized fungi in the family Xylographaceae. The genus was circumscribed in 1857 by Finnish botanist William Nylander, with ''Lithographa petraea'' assigned as the type species. This species is now known as '' ...

'' *''

Lithographa serpentina ''Lithographa'' is a genus of lichenized fungi in the family Xylographaceae. The genus was circumscribed in 1857 by Finnish botanist William Nylander, with ''Lithographa petraea'' assigned as the type species. This species is now known as '' ...

'' *''

Lithographa skottsbergii ''Lithographa'' is a genus of lichenized fungi in the family Xylographaceae. The genus was circumscribed in 1857 by Finnish botanist William Nylander, with ''Lithographa petraea'' assigned as the type species. This species is now known as '' ...

'' *''

References

Baeomycetales Baeomycetales genera Lichen genera Taxa named by William Nylander (botanist) Taxa described in 1857 {{Lecanoromycetes-stub