| Placynthium | |
|---|---|
 | |
| Placynthium nigrum | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Peltigerales |
| Family: | Placynthiaceae |
| Genus: | Placynthium (Ach.) Gray (1821) |
| Type species | |
| Placynthium nigrum (Huds.) Gray (1821) | |
| Synonyms | |
| |
Placynthium is a genus of lichen-forming fungi in the family Placynthiaceae. [1] Members of this genus are commonly called blackthread lichens. [2] [3]
Peltigera is a genus of approximately 100 species of foliose lichens in the family Peltigeraceae. Commonly known as the dog or pelt lichens, species of Peltigera are often terricolous, but can also occur on moss, trees, rocks, and many other substrates in many parts of the world.
The Pannariaceae are a family of lichens in the order Peltigerales. Species from this family have a widespread distribution, but are especially prevalent in southern temperate regions.
Ochrolechia is a genus of crustose lichens in the family Ochrolechiaceae.
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.
Pilophorus is a genus of lichenized fungi in the family Cladoniaceae. They are commonly known as matchstick lichens. The genus has a widespread distribution, especially in temperate regions, and contains 11 species.
Lecania is a genus of lichenized fungi in the family Ramalinaceae. The genus was circumscribed by Abramo Bartolommeo Massalongo in 1853. Lecania is widely distributed, especially in temperate regions, and contains about 64 species.
Dermatocarpon is a genus of lichens in the family Verrucariaceae.
Staurothele is a genus of saxicolous (rock-dwelling), crustose lichens in the family Verrucariaceae. It has about 40 species. When the fungus is part of a lichen, the genus of lichen is commonly called rock pimples.
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.
Sagiolechia is a genus of lichen-forming fungi in the family Sagiolechiaceae. The genus was circumscribed by lichenologist Abramo Bartolommeo Massalongo in 1854, who assigned Sagiolechia protuberans as the type species. The family Sagiolechiaceae was proposed in 2010 to contain Sagiolechia as the type genus, and genus Rhexophiale; molecular phylogenetic analysis showed that these two genera formed a distinct clade in the Ostropales.
Amygdalaria is a genus of lichen-forming fungi in the family Lecideaceae.
Poeltiaria is a genus of lichen-forming fungi in the family Lecideaceae. It was circumscribed in 1984 by lichenologist Hannes Hertel, with Poeltiaria turgescens assigned as the type species.
Porpidia is a genus of crustose lichens in the family Lecideaceae.
Rhizocarpon is a genus of crustose, saxicolous, lecideoid lichens in the family Rhizocarpaceae. The genus is common in arctic-alpine environments, but also occurs throughout temperate, subtropical, and even tropical regions. They are commonly known as map lichens because of the prothallus forming border-like bands between colonies in some species, like the common map lichen.
Fuscidea is a genus of crustose lichens in the family Fuscideaceae. It has about 40 species. The genus was circumscribed in 1972 by lichenologists Volkmar Wirth and Antonín Vězda, with Fuscidea aggregatilis assigned as the type species.
Solorina is a genus of 10 species of lichenized fungi in the family Peltigeraceae. The genus was first described by the Swedish botanist Erik Acharius in 1808. Members of the genus are commonly called socket lichens.
Strigula is a genus of lichen-forming fungi in the family Strigulaceae. The genus was circumscribed in 1823 by English mycologist Elias Magnus Fries.
Scoliciosporum is a genus of lichens in the family Scoliciosporaceae.
Lambiella is a genus of lichen-forming fungi in the family Xylographaceae. The genus was circumscribed by German botanist Hannes Hertel in 1984, with Lambiella psephota assigned as the type species.
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