Trichotheliaceae is 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 ...

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 ...

in the order

Gyalectales ''Gyalectales'' is an order of lichen-forming fungi in the class Lecanoromycetes. It contains 5 families, 15 genera and about 550 species. Taxonomy The Gyalectales were introduced in a 1974 publication by Aino Henssen and Martin Jahns, but ...

. The family 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 Friedrich von Schilling and Friedrich August Georg Bitter in 1927. In a recent (2018)

molecular phylogenetic 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 ...

analysis, Trichotheliaceae was shown to be part of a

monophyletic In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gro ...

clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...

containing the families

Coenogoniaceae ''Coenogonium'' is a genus of crustose lichens in the monotypic family Coenogoniaceae. It has about 90 species. Most species are leaf-dwelling or grow on bark, although a few are known to grow on rocks under certain conditions, and some are ...

Gyalectaceae The Gyalectaceae are a family of fungi in the order Gyalectales. Genera According to a 2022 estimate, Gyalectaceae contains 6 genera and 89 species (including 11 species in genus ''Cryptolechia''). *'' Francisrosea'' – 1 sp. *''Gyalecta'' � ...

Phlyctidaceae The Phlyctidaceae are a family of lichenized fungi in the order Gyalectales. Species in this family have primarily a tropical The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer ...

, and Sagiolechiaceae.

Genera

According to a recent (2022) survey of fungal

classification Classification is a process related to categorization, the process in which ideas and objects are recognized, differentiated and understood. Classification is the grouping of related facts into classes. It may also refer to: Business, organizat ...

, Trichotheliaceae contains eight genera and about 365 species. The following list indicates the genus name, the taxonomic authority, year of publication, and the number of species: *''

Clathroporina ''Clathroporina'' is a genus of lichenized fungi in the family Trichotheliaceae. It was circumscribed by Swiss lichenologist Johannes Müller Argoviensis Johann Müller (9 May 1828 - 28 January 1896) was a Swiss botanist who was a specialist ...

'' – ca. 25 *'' Flabelloporina'' – 1 sp. *'' Myeloconis'' – 4 spp. *''

Porina ''Porina'' is a genus of lichens in the family Trichotheliaceae. A 2020 estimate places about 145 species in the widespread genus. Species *''Porina abrupta'' *'' Porina adflata'' *'' Porina africana'' *'' Porina ahlesiana'' *'' Porina ...

'' – ca. 145 spp. *''

Pseudosagedia ''Pseudosagedia'' is a genus of corticolous (bark-dwelling) lichens in the family Trichotheliaceae. It was first circumscribed as a section of genus '' Arthopyrenia'' by Swiss botanist Johannes Müller Argoviensis in 1862. Maurice Choisy elevate ...

'' – 80 spp. *'' Saxiloba'' – 2 spp. *'' Segestria'' – 70 spp. *''

Trichothelium ''Trichothelium'' is a genus of lichen-forming fungi in the family Trichotheliaceae. It has an estimated 40 species. The genus was circumscribed by Swiss lichenologist Johannes Müller Argoviensis Johann Müller (9 May 1828 - 28 January 1896) ...

'' – 40 spp.

References

{{Taxonbar, from=Q98078921 Gyalectales Lecanoromycetes families Taxa described in 1927 Lichen families