Fungi named in 1851

The genus Ramaria comprises approximately 200 species of coral fungi. Several, such as Ramaria flava, are edible and picked in Europe, though they are easily confused with several mildly poisonous species capable of causing nausea, vomiting, and diarrhea; these include R. formosa and R. pallida. Three Ramaria species have been demonstrated to contain a very unusual organoarsenic compound homoarsenocholine.

Strobilomyces strobilaceus, also called Strobilomyces floccopus and commonly known as old man of the woods, is a species of fungus in the family Boletaceae. The fruit bodies are characterized by soft, dark scales on the cap surface. The species is native to Eurasia and North America.

Urnula craterium is a species of cup fungus in the family Sarcosomataceae. Appearing in early spring, its distinctive goblet-shaped and dark-colored fruit bodies have earned it the common names crater cup, devil's urn and the gray urn. The asexual (imperfect), or conidial stage of U. craterium is a plant pathogen known as Conoplea globosa, which causes a canker disease of oak and several other hardwood tree species. Urnula craterium is parasitic on oak and various other hardwoods; it is also saprobic, as the fruit bodies develop on fallen dead wood. The species is distributed in eastern North

Strobilomyces is a genus of boletes (mushrooms having a spongy mass of pores under the cap). The only well-known European species is the type species S. strobilaceus (also named S. floccopus), known in English as "old man of the woods". Members of the genus can be distinguished by the following characteristics: the cap and stipe are covered in soft hairy or woolly scales, while most boletes have smooth elongated spores, those of Strobilomyces are roughly spherical and prominently ornamented, and as might be expected from its "dry" fibrous appearance, it is resistant to decay (whereas most

Otidea is a genus of fungi in the family Pyronemataceae. The genus is widely distributed in northern temperate regions.

The Rhizinaceae are a family of ascomycete fungi in the order Pezizales. The family was circumscribed by German mycologist Hermann Friedrich Bonorden in 1851.

Fusicladium is a genus of fungus in the family Venturiaceae. Specimens of Fusicladium may be found across the world. Many species are plant pathogens, infecting at least 52 plant genera including apple trees, pea plants, and peach trees. These infectious species are each often host-specific, meaning they can only survive on specific species of plant. The precise taxonomy of the genus is still under investigation. DNA analysis has shown that species from the genera Pollaccia and Spilocaea belong in a single clade with Fusicladium. Fusicladium is sometimes written Fusicladium s.l. (meaning

Terfezia (Berber: Tirfas) is a genus of truffle-like fungi within the Pezizaceae family. Terfezia species are commonly known as desert truffles. Some authorities consider this the type genus of the family Terfeziaceae, although phylogenetic analysis suggests that it nests within the Pezizaceae. The Dictionary of the Fungi (10th edition, 2008) suggests that the genus contains 12 species. A recent (2011) publication used molecular analysis to show that the American Terfezia species had been incorrectly classified, and moved Terfezia spinosa and Terfezia longii to Mattirolomyces and Stouffera,

Phyllactinia guttata is a species of powdery mildew fungus in the family Erysiphaceae. A plant parasite, it infects the undersides of leaves of Corylus species (hazels).

Sarcogyne is a genus of crustose lichen-forming fungi in the family Acarosporaceae. It was circumscribed by German botanist Julius von Flotow in 1850. A proposal has been put forth in 2021 to assign Sarcogyne clavus as the type species of the genus, "as it represents the original concept of Sarcogyne as having melanized lecideine apothecia without algae in the margin".

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Erysiphe is a genus of plant pathogenic fungi in the family Erysiphaceae. The species in this genus are known for causing powdery mildew.

Podosphaera clandestina is a species of powdery mildew in the family Erysiphaceae. It is found across the world, where it affects plants in the genera Crataegus, Cydonia and Mespilus.

Erysiphe is a genus of plant pathogenic fungi in the family Erysiphaceae. The species in this genus are known for causing powdery mildew.

Comatricha is a genus of slime molds in the family Amaurochaetaceae. As of 2015, Index Fungorum includes 39 species in the genus.

Sporopodium is a genus of lichen-forming fungi in the family Ectolechiaceae. Most Sporopodium species grow on living leaves (they are foliicolous) in tropical forests worldwide, though some also occur on twigs or bark. The genus is known for producing campylidia, small hood-like outgrowths that produce conidia (asexual spores) and help the lichen disperse to new surfaces. Species in the genus produce a wide variety of chemical compounds, including yellow and orange pigments that can help identify individual species. The genus was established in 1851 with the description of a first species

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Chytridium is a genus of fungi in the family Chytridiaceae. With the culture and characterization of Chytridium olla, the type species of the order, the limits of the Chytridiales were established. Names brought to synonymy Chytridium (Olpidium) Braun 1856, a synonym for Olpidium

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Tulasnella is a genus of effused (patch-forming) fungi in the order Cantharellales. Basidiocarps (fruit bodies), when visible, are typically smooth, ceraceous (waxy) to subgelatinous, frequently lilaceous to violet-grey, and formed on the underside of fallen branches and logs. They are microscopically distinct in having basidia with grossly swollen sterigmata (or epibasidia) on which basidiospores are formed. One atypical species, Tulasnella aurantiaca, produces orange to red, gelatinous, pustular anamorphs on wood. Some species form facultative mycorrhizas with orchids and liverworts. Around

Fusicolla is a genus of seven species of ascomycete fungi in the family Nectriaceae. The genus was circumscribed by German mycologist Hermann Friedrich Bonorden in 1851. Fungi in the genus produce slimy orange sheets over the substrate, within which the perithecia can be either fully or partially immersed. Asexual spores are similar to those of Fusarium.

Calcarisporium is a genus of fungi in the order Hypocreales. Species are typically fungicolous, parasitizing other fungal fruit bodies.

Ascochyta caricae is a fungal plant pathogen that causes dry rot on papaya.

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