Fungi named in 1923

Candida albicans is an opportunistic pathogenic yeast that is a common member of the human gut flora. It can also survive outside the human body. It is detected in the gastrointestinal tract and mouth in 40–60% of healthy adults. It is usually a commensal organism, but it can become pathogenic in immunocompromised individuals under a variety of conditions. It is one of the few species of the genus Candida that cause the human infection candidiasis, which results from an overgrowth of the fungus. Candidiasis is, for example, often observed in HIV-infected patients. C. albicans is the most

Candida is a genus of yeasts. It is the most common cause of fungal infections worldwide and the largest genus of medically important yeasts. The genus Candida encompasses about 200 species. Many species are harmless commensals or endosymbionts of hosts including humans. When mucosal barriers are disrupted or the immune system is compromised, however, they can invade and cause disease, known as an opportunistic infection. Candida is located on most mucosal surfaces and mainly the gastrointestinal tract, along with the skin. Candida albicans is one of the most commonly isolated species and can

Clavulinopsis is a genus of coral fungi in the family Clavariaceae. The genus, first described scientifically by Casper van Overeem in 1923, has a widespread distribution. The name means "having the appearance of Clavulina".

Candida tropicalis is a species of yeast in the genus Candida. It is a common pathogen in neutropenic hosts, in whom it may spread through the bloodstream to peripheral organs. For invasive disease, treatments include amphotericin B, echinocandins, or extended-spectrum triazole antifungals.

Pyrenophora tritici-repentis (teleomorph) and Drechslera tritici-repentis (anamorph) is a necrotrophic plant pathogen of fungal origin, phylum Ascomycota. The pathogen causes a disease originally named yellow spot but now commonly called tan spot, yellow leaf spot, yellow leaf blotch or helminthosporiosis. At least eight races of the pathogen are known to occur based on their virulence on a wheat differential set. The tan (yellow) spot fungus was first described by Nisikado in 1923 in Japan. and was later identified in Europe, Australia and the US, in the mid 1900s. The disease is one of the

The Hyponectriaceae are a family of fungi, that was formerly in the order Xylariales. It was placed in the Amphisphaeriales order in 2020.

Encephalitozoon cuniculi is a microsporidial parasite of mammals with world-wide distribution. An important cause of neurologic and renal disease in rabbits, E. cuniculi can also cause disease in immunocompromised people. Its current accepted name is Nosema cuniculi.

Psilocybe caerulescens, also known as landslide mushroom ("derrumbe" in Spanish), is a psilocybin mushroom having psilocybin and psilocin as main active compounds. Along with Psilocybe mexicana and Psilocybe aztecorum, it is one of the mushrooms likely to have been used by the Aztecs and is currently used by Mazatec shamans for its entheogenic properties.

Penicillium ochrochloron is a species of fungus in the genus Penicillium which produces penitrem A.

Penicillium implicatum is an anamorph species of the genus of Penicillium which causes postharvest rot on pomegranate. Penicillium implicatum produces Citrinin

Penicillium chermesinum is an anamorph fungus species of the genus of Penicillium which was isolated from soil from Nova Scotia in Canada.Penicillium chermesinum produces plastatin, luteosporin, xanthomegnin, azaphilones, p-terphenyls and costaclavine.

Macrophomina is a genus of plant pathogens in the fungus family Botryosphaeriaceae, originally described by Franz Petrak in 1923. It contains at least 5 species. The type species was originally called M. philippinensis, but its current name is Macrophomina phaseolina; it causes charcoal rot disease on many diverse plant species. The former species Macrophomina limbalis has been renamed to Dothiorella limbalis.

Isaria sinclairii is a species of entomopathogenic fungus mostly infecting the underground nymphs of cicadas. It produces myriocin, from which the synthetic drug fingolimod, a treatment for multiple sclerosis, was developed.

Ionomidotis is a genus of fungi belonging to the family Cordieritidaceae. The species of this genus are found in Eurasia and Northern America. Species: Ionomidotis fulvotingens (Berk. & M.A.Curtis) E.K.Cash

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Clavulinopsis sulcata is a clavarioid fungus in the family Clavariaceae and is the type species of the genus Clavulinopsis. It forms very long, slender, cylindrical pinkish or orange fruiting bodies that grow on the ground among plant litter. A vernacular name that has been used for the species is flame fungus.

Zythiostroma is a genus of canker fungus in the family Nectriaceae. The two or three species in the genus, which are anamorphs of the genus Nectria, have been found in Europe and Java.

Rhizocarpon lecanorinum is a species of saxicolous (rock-dwelling), crustose lichen in the family Rhizocarpaceae. It was described as a new species in 1923 by the Czech lichenologist Josef Anders. This species differs from the closely related map lichen R. geographicum in its tendency to form continuous carpets where individual lichen bodies merge together, and its preference for early reproduction even when small in size.

Penicillium rubens is a species of fungus in the genus Penicillium and was the first species known to produce the antibiotic penicillin. It was first described by Philibert Melchior Joseph Ehi Biourge in 1923. In 1929, Alexander Fleming at St Mary's Hospital, London discovered that the fungus produced an antibiotic that killed bacteria, and named the unknown compound penicillin. For the discovery and development of penicillin, Fleming shared the 1945 Nobel Prize in Physiology or Medicine with Ernst Boris Chain and Howard Florey. There was long history of controversy on the exact

Penicillium purpurescens is a species of fungus in the genus Penicillium which was isolated from soil in Canada. This species is similar to Penicillium glabrum. Penicillium purpurescens produces hadacidin.

Penicillium dierckxii is a species of the genus of Penicillium which produces citreoviridin and citrinin.

Monoblastia is a genus of lichens in the Monoblastiaceae family of fungi.

Lepteutypa is a genus of plant pathogens in the family Amphisphaeriaceae. First described by the Austrian mycologist Franz Petrak in 1923, the genus contains 10 species according to a 2008 estimate. It was increased to 15 in 2020. The genus Lepteutypa is teleomorphic (reproducing sexually) and the corresponding anamorphic name, used to describe the asexual form, is Seiridium (formerly Coryneum). For instance, the name Seiridium cupressi can still be used for the anamorphic form of that species, but now that it is known that a sexual stage exists, the name Seiridium cupressi should be

Claussenomyces is a genus of fungi in the family Helotiaceae. Species grow as saprophytes on decaying and decorticated wood, cones, or sap. Fruitbodies are turbinate (having the shape of an inverted cone) to pulvinate (shaped like a cushion), measuring up to 0.6 mm in both height and diameter. The flesh has an elastic to gelatinous texture. The genus name of Claussenomyces is in honour of Peter Heinrich Claussen (1877-1959), a German doctor and botanist (Mycology), Professor of Botany and Director of the Botanical Garden at the University of Marburg. The genus was circumscribed by Wilhelm

Apiorhynchostoma is a genus of fungi in the family Boliniaceae; according to the 2007 Outline of Ascomycota. The placement was confirmed in 2020.

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Wardomyces is a genus of seven species of mould fungi in the family Microascaceae. The genus was circumscribed in 1923 by Frederick Tom Brooks and Clifford Gerald Hansford. The generic name honours Harry Marshall Ward, Professor of Botany at Cambridge University. The type species, Wardomyces anomalus, was originally found as a mould growing on rabbit meat kept in cold storage. The most recent addition to the genus is W. moseri, described by Walter Gams in 1995. Found in Colombia, it was discovered growing on a dead petiole of moriche palm (Mauritia flexuosa).

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