Fungi named in 1850

Anaptychia ciliaris, commonly known as the great ciliated lichen or eagle's claws, is a species of fruticose lichen in the family Physciaceae. It is predominantly found in Northern Europe, with its range extending to European Russia, the Caucasus, Central and Southern Europe, the Canary Islands, and parts of Asia. First mentioned in botanical literature by the Italian botanist Fabio Colonna in 1606, the species was formally described by Carl Linnaeus in 1753, who highlighted its unique physical characteristics such as its grey colour, its unusual leafy form with linear fringe-like segments,

Microspora is a genus of green algae in the family Microsporaceae. Microspora was first named by Gustave Thuret in 1850. The name was used by Arthur Hill Hassall earlier in 1843, for another genus, but Thuret's genus has been conserved over Hassall's. Microspora is a freshwater alga, found in still or flowing water. It is most common in the colder months of the year. One species, Microspora ficulinae, is an endosymbiont within marine sponges. It has a cosmopolitan distribution.

Thamnolia vermicularis, the whiteworm lichen, is the traditional name applied to a widespread, morphologically uniform group of fruticose lichens in the family Icmadophilaceae. The species forms loose mats or scattered tufts of slender, worm-like, chalky-white branches that typically reach up to 5 cm long, growing on tundra terrain across arctic and alpine habitats. It was first described in 1781 by the Swedish botanist Olof Swartz from the alpine regions of Lapland, and the modern scientific name was formalized by Ludwig Schaerer in 1850. Material traditionally identified as T. vermicularis

Phlyctis argena is a species of crustose lichen.

Diplotomma is a genus of lichen-forming fungi in the family Caliciaceae. The genus has a widespread distribution and contains 14 species. These lichens form firmly attached, crust-like patches that range from pale to dark grey and can appear smooth or cracked into an irregular mosaic pattern on their substrate. They produce black, disc-shaped fruiting bodies that start buried in the crust and later emerge to sit roughly flush with the surface, often dusted with a greyish-white powder.

Phlyctis is a genus of lichen-forming fungi in the order Gyalectales, and the type genus of the family Phlyctidaceae. Members of the genus are commonly called whitewash lichens. These parasitic lichens typically form very thin, patchy crusts on host surfaces or live almost entirely within their hosts, producing minute fruiting bodies that remain largely hidden beneath a coarse white pruina. The genus is characterised by spores that are densely divided by many walls into a net-like pattern and often have tiny points at their ends. Phlyctis contains about 20 species distributed worldwide, with

Catapyrenium is a genus of squamulose lichens in the family Verrucariaceae. These small lichens grow as clusters of tiny scales (squamules that lie flat against rocks and soil, often in dry or disturbed habitats. The genus includes about 18 species found worldwide, particularly in arid and semi-arid regions where they help stabilize soil surfaces.

Typhula variabilis is a species of clavarioid fungus in the family Typhulaceae. It is a plant pathogen that infects carrots.

Cladonia pleurota is a species of fruticose, cup lichen in the family Cladoniaceae. It was first formally described as a new species by German lichenologist Heinrich Gustav Flörke in 1808 as Capitularia pleurota. Ludwig Emanuel Schaerer transferred it to the genus Cladonia in 1850. In North America, it is known colloquially as the red-fruited pixie cup or the red-fruited cup lichen.

Coleroa is a genus of fungi belonging to the family Venturiaceae. The species of this genus are found in Eurasia and Northern America.

Catolechia is a genus of lichen-forming fungi in the family Rhizocarpaceae. It is a monotypic genus, containing the single species Catolechia wahlenbergii. The genus was circumscribed by the German botanist Julius von Flotow in 1850. He did not assign a type species for the genus; Catolechia pulchella A.Massal. (1852) was designated as the type by Gustav Wilhelm Körber in 1855. This species is synonymous with Catolechia wahlenbergii. Several species that were originally described as a member of Catolechia have since been transferred to other genera. Examples include: Catolechia flavovirescens

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