The Parmeliaceae is a large and diverse family of Lecanoromycetes. With over 2700 species in 71 genera, it is the largest family of lichen-forming fungi. The most speciose genera in the family are the well-known groups: Xanthoparmelia, Usnea, Parmotrema, and Hypotrachyna.
The Psoraceae are a family of lichenized fungi in the order Lecanorales. The Austrian Botanist and Lichenologist Alexander Zahlbruckner first described the family in 1898. Species of this family have a widespread distribution.
The Acarosporaceae are a family of fungi in the order Acarosporales. Members of this family have a widespread distribution, and are mostly lichenized with green algae. According to a 2021 estimate, the family contains 11 genera and about 260 species. The family is characterised by a hamathecium formed of paraphysoids.
The Lichinaceae are a family of ascomycete fungi. Most species are lichenized with cyanobacteria, and have a distribution largely in temperate regions.
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 tesserata.
Metus is a genus of three species of lichenized fungi in the family Cladoniaceae. The genus was circumscribed by lichenologists David John Galloway and Peter Wilfred James in 1987, with Metus conglomeratus as the type species. All three species are found in the Southern Hemisphere.
Protopannaria is a genus of seven species of lichenized fungi in the family Pannariaceae. The genus was originally circumscribed as a subgenus of the genus Pannaria by Hungarian lichenologist Vilmos Kőfaragó-Gyelnik. Per Magnus Jørgensen and Stefan Ekman promoted Protopannaria to full status as a genus in 2000.
Parmeliella is a genus of lichenized fungi in the family Pannariaceae. It occurs mainly in the tropics and sub-tropics, with species found in Africa, Asia, Australasia and South America. A recent (2020) estimate places 41 species in the genus.
Lithoglypha is a fungal genus in the family Acarosporaceae. It is monotypic, containing the single species Lithoglypha aggregata, a saxicolous (rock-dwelling), crustose lichen found in South Africa. Both the genus and species were proposed in 1988 by lichenologist Franklin Andrej Brusse in 1988. The genus name is derived from the Greek roots lithos ("rock") and glyphe. The lichen is only known to occur in the Clarens Formation of South Africa.
Syncesia is a genus of lichen-forming fungi in the family Roccellaceae.
Canoparmelia is a genus of lichen-forming fungi in the family Parmeliaceae. The widespread genus contains about 35 species. Canoparmelia, a segregate of the parmelioid lichen genus Pseudoparmelia, was circumscribed by John Elix and Mason Hale in 1986.
Placomaronea is a genus of lichenized fungi in the family Candelariaceae. It has 6 species. The genus was circumscribed by Finnish lichenologist Veli Räsänen in 1944, with Placomaronea candelarioides assigned as the type species. The genus was revised by Martin Westberg and colleagues in 2009, who accepted six species in the genus.
Peltula is a genus of small dark brown to olive or dark gray squamulose lichens that can be saxicolous ) or terricolous. Members of the genus are commonly called rock-olive lichens. They are cyanolichens, with the cyanobacterium photobiont from the genus Anacystis. They are umbilicate with flat to erect squamule lobes that attach from a central holdfast or cluster of rhizenes. Lichen spot tests are usually negative.
Eremastrella is a genus of lichen in the family Lecideaceae. The genus was circumscribed by lichenologist Stefan Vogel in 1955, with Eremastrella tobleri assigned as the type species.
The Lecideaceae are a family of lichens in the order Lecideales.
Coelopogon is a genus of lichen-forming fungi in the family Parmeliaceae. The genus contains two species found in southern South America and South Africa.
Coronoplectrum is a single-species genus of unknown familial placement in the order Lecanorales. The only species in the monotypic genus is Coronoplectrum namibicum, a fruticose (bushy), saxicolous (rock-dwelling) lichen found in Namibia. The genus was circumscribed by Franklin Brusse in 1987.
Psathyrophlyctis is a genus of lichenized fungi in family Phlyctidaceae. The genus is monotypic, containing the single species Psathyrophlyctis serpentaria, found in South Africa.
Ertzia is a monospecific genus in the family Lepidostromataceae. The sole species is Ertzia akagerae. The genus was circumscribed in 2014 by Brendan Hodkinson and Robert Lücking. Ertzia is distinguished from all other lichenized clavarioid fungi by having a microsquamulose thallus that forms contiguous glomerules with a cortex of jigsaw puzzle-shaped cells. Ertzia akagerae grows on soil in the African tropics.
Scoliciosporum is a genus of lichens in the family Scoliciosporaceae.
