The Physciaceae are a

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

of mostly

lichen A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.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 ...

belonging to the

class Class or The Class may refer to: Common uses not otherwise categorized * Class (biology), a taxonomic rank * Class (knowledge representation), a collection of individuals or objects * Class (philosophy), an analytical concept used differentl ...

Lecanoromycetes Lecanoromycetes is the largest class of lichenized fungi. It belongs to the subphylum Pezizomycotina in the phylum Ascomycota. The asci (spore-bearing cells) of the Lecanoromycetes most often release spores by rostrate dehiscence. Genera of unc ...

in the

division Division or divider may refer to: Mathematics *Division (mathematics), the inverse of multiplication *Division algorithm, a method for computing the result of mathematical division Military *Division (military), a formation typically consisting ...

Ascomycota Ascomycota is a phylum of the kingdom Fungi that, together with the Basidiomycota, forms the subkingdom Dikarya. Its members are commonly known as the sac fungi or ascomycetes. It is the largest phylum of Fungi, with over 64,000 species. The def ...

. A 2016 estimate placed 19

genera 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 nomenclat ...

and 601 species in the family.

Genera

This is a list of the genera contained within the Physciaceae, based on a 2020 review and summary of ascomycete classification. Following the genus name is the

taxonomic authority In biology, taxonomy () is the scientific study of naming, defining ( circumscribing) and classifying groups of biological organisms based on shared characteristics. Organisms are grouped into taxa (singular: taxon) and these groups are given ...

, year of publication, and the number of species: *''

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 ...

'' – about 15 spp. *'' Coscinocladium'' – 2 spp. *''

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 ...

'' – about 90 spp. *''

Hyperphyscia ''Hyperphyscia'' is a genus of lichenized fungi 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 a ...

'' – 9 spp. *'' Kashiwadia'' – 1 sp. *''

Leucodermia ''Leucodermia'' is a genus of lichen-forming fungi in the family Physciaceae. Taxonomy The genus was circumscription (taxonomy), circumscribed by German lichenologist Klaus Kalb in 2015, with ''Leucodermia leucomelos'' assigned as the type speci ...

'' – 10 spp. *'' Mischoblastia'' – 3 spp. *'' Mobergia'' – 1 sp. *''

Oxnerella ''Oxnerella'' is a genus of centrohelid The centrohelids or centroheliozoa are a large group of heliozoan protists. They include both mobile and sessile forms, found in freshwater and marine environments, especially at some depth. Characteris ...

'' – 1 spp. *'' Phaeophyscia'' – 66 spp. *''

Phaeorrhiza ''Phaeorrhiza'' is a genus of lichen-forming fungi 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 ...

'' – 2 spp. *''

Physcia ''Physcia'' is a genus of lichenized fungi in the family Physciaceae. The genus name means "inflated" or "sausage-like", referring to the form of the type species. According to a 2008 estimate, the widespread genus contains 73 species. Species ...

'' – about 80 spp. *'' Physciella'' – 4 spp. *''

Physconia ''Physconia'' is a genus of lichen-forming fungi in the family Physciaceae. It has about 25 species. The genus was circumscribed by Czech lichenologist Josef Poelt in 1965, with ''Physconia pulverulenta'' assigned as the type species. Species *' ...

'' – about 25 spp. *'' Polyblastidium'' – 18 spp. *''

Rinodina ''Rinodina'' is a genus of lichen-forming fungi in the family Physciaceae. The genus has a widespread distribution and contains about 265 species. It is hypothesized that a few saxicolous lichen, saxicolous species common to dry regions of wester ...

'' – about 300 spp *'' Rinodinella'' – 6 spp. *'' Tornabea'' – 1 spp. The genus ''

Culbersonia ''Culbersonia'' is a fungal genus in the family Caliciaceae. This is a monotypic genus, containing the single foliose lichen ''Culbersonia nubila'' (formerly called ''Culbersonia americana''). This species, which grows on trees and rocks, is foun ...

'', previously classified in the Physciaceae due to its morphological features, has been shown with

molecular phylogenetics Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

to belong to the

Caliciaceae The Caliciaceae are a family of mostly lichen-forming fungi belonging to the class Lecanoromycetes in the division Ascomycota. Although the family has had its classification changed several times throughout its taxonomic history, the use of mo ...

References

Caliciales Lichen families Lecanoromycetes families Taxa named by Alexander Zahlbruckner Taxa described in 1898 {{Caliciales-stub