''Polyblastidium'' is a genus of foliose lichens in the family

Physciaceae The Physciaceae are a family of mostly lichen-forming fungi belonging to the class Lecanoromycetes in the division Ascomycota. A 2016 estimate placed 19 genera and 601 species in the family. Genera This is a list of the genera contained within ...

. It has 18 species. 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 polyg ...

by German lichenologist

Klaus Kalb Klaus Kalb (born 1942) is a German lichenologist and an authority on tropical lichens. Biography Klaus Kalb was born in Nuremberg in 1942 and grew up in southern Bavaria. From 1960 to 1965 he studied biology, chemistry, and geography at t ...

in 2015, with ''

Polyblastidium japonicum ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with '' Polyblastidium japonicum'' assigned as the type species. ''Polyblastidi ...

'' assigned as the type species. ''Polyblastidium'' is similar in morphology to ''

Heterodermia ''Heterodermia'' is a genus of lichenized fungi in the family Physciaceae. The genus has a widespread distribution, especially in tropical regions, and contains about 80 species. Description ''Heterodermia'' are subterranean or almost upright le ...

'', but its lower surface is cobweb-like in structure (''arachnoid''), and its ascospores are mostly 1- septate with 1 to 3 sporoblastidia (small subsidiary cavities). It is this latter feature that is referenced in the genus name ''Polyblastidium'' (''poly'' = "many" + sporoblastidia). The genus contains several species that were formerly classified in the genus ''

Anaptychia ''Anaptychia'' is a genus of lichenized fungi in the family Physciaceae. Species , Species Fungorum ''Index Fungorum'' is an international project to index all formal names (scientific names) in the fungus kingdom. the project is based at ...

'' ( section ''Polyblastidium'' series ''Polyblastidium'').

Species

*''

Polyblastidium appendiculatum ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with ''Polyblastidium japonicum'' assigned as the type species. ''Polyblastidiu ...

'' *''

Polyblastidium casarettianum ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with ''Polyblastidium japonicum'' assigned as the type species. ''Polyblastidiu ...

'' *''

Polyblastidium chilense ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with '' Polyblastidium japonicum'' assigned as the type species. ''Polyblastidi ...

'' *''

Polyblastidium corallophorum ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with ''Polyblastidium japonicum'' assigned as the type species. ''Polyblasti ...

'' *''

Polyblastidium dendriticum ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with ''Polyblastidium japonicum'' assigned as the type species. ''Polyblastidiu ...

'' *''

Polyblastidium fragilissimum ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with ''Polyblastidium japonicum'' assigned as the type species. ''Polyblastidiu ...

'' *''

Polyblastidium hypocaesium ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with ''Polyblastidium japonicum'' assigned as the type species. ''Polyblastidiu ...

'' *''

Polyblastidium hypoleucum ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with ''Polyblastidium japonicum'' assigned as the type species. ''Polyblastidiu ...

'' *''

Polyblastidium magellanicum ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with '' Polyblastidium japonicum'' assigned as the type species. ''Polyblastidi ...

'' *''

Polyblastidium microphyllum ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with ''Polyblastidium japonicum'' assigned as the type species. ''Polyblastidiu ...

'' *''

Polyblastidium neglectum ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with ''Polyblastidium japonicum'' assigned as the type species. ''Polyblastidiu ...

'' *''

Polyblastidium propaguliferum ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with ''Polyblastidium japonicum'' assigned as the type species. ''Polyblastidiu ...

'' *'' Polyblastidium queenslandicum'' *'' Polyblastidium squamulosum'' *''

Polyblastidium subneglectum ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with ''Polyblastidium japonicum'' assigned as the type species. ''Polyblasti ...

'' *''

Polyblastidium togashii ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with ''Polyblastidium japonicum'' assigned as the type species. ''Polyblasti ...

'' *''

Polyblastidium violostriatum ''Polyblastidium'' is a genus of foliose lichens in the family Physciaceae. It has 18 species. The genus was circumscribed by German lichenologist Klaus Kalb in 2015, with ''Polyblastidium japonicum'' assigned as the type species. ''Polyblasti ...

References

Caliciales Lichen genera Taxa described in 2015 Caliciales genera Taxa named by Klaus Kalb {{Caliciales-stub