Fungi named in 1911

Trichophyton rubrum is a dermatophytic fungus in the phylum Ascomycota. It is an exclusively clonal, anthropophilic saprotroph that colonizes the upper layers of dead skin, and is the most common cause of athlete's foot, fungal infection of nail, jock itch, and ringworm worldwide. Trichophyton rubrum was first described by Malmsten in 1845 and is currently considered to be a complex of species that comprises multiple, geographically patterned morphotypes, several of which have been formally described as distinct taxa, including T. raubitschekii, T. gourvilii, T. megninii and T. soudanense.

Hebeloma radicosum, commonly known as the rooting poison pie, is a species of agaric fungus in the family Hymenogastraceae. Fruit bodies (mushrooms) can be identified by the tapering root-like stipe base, as well as the almond-like odor. Found in Japan, Europe, and North America, it is an ammonia fungus, and fruits on mole, mouse, or shrew middens.

Melanoleuca melaleuca is a species of mushroom in the family Tricholomataceae, and it is the type species of its genus Melanoleuca. It is difficult to distinguish from other related species firstly because it is variable, secondly because the taxonomic criteria are often based on characteristics which have later been found to be variable, and thirdly because there is much disagreement between authorities as to an exact species definition.

Hygrocybe cantharellus, commonly known as chanterelle waxy cap, is an agaric (gilled mushroom) in the family Hygrophoraceae. The European Hygrocybe lepida was previously referred to this name, but is now known to be distinct. The orangish cap is up to 2.5 centimetres (1 in) wide and the reddish stem 8 cm (3+1⁄4 in) tall and 4 mm (3⁄16 in) thick. It can resemble members of its genus such as the uncommon H. coccineocrenata. It is found in North America and Australia.

Allomyces is a genus of fungi in the family Blastocladiaceae. It was circumscribed by British mycologist Edwin John Butler in 1911. Species in the genus have a polycentric thallus and reproduce sexually or asexually by zoospores that have a whiplash-like flagella. They are mostly isolated from soils in tropical countries, commonly in ponds, rice fields, and slow-moving rivers.

Jaapia is a genus in the monotypic family Jaapiaceae and order Jaapiales. The genus was first described by Italian mycologist Giacomo Bresadola in 1911, and contains two widely distributed species, J. argillacea and J. ochroleuca. The order was described in 2010. The genus name of Jaapia is in honour of Otto Jaap (1864 - 1922), who was a German botanist (Mycology, Lichenology and Bryology). Jaapia is a genus of resupinate species that were until then classified in the order Boletales. Molecular phylogenetics analysis showed it to be a sister group (one of two clades to the Gloeophyllales,

Protoblastenia is a genus of lichens in the family Psoraceae. It was originally circumscribed by Alexander Zahlbruckner in 1908 as a section of genus Blastenia. J. Steiner promoted it to generic status in 1911.

Hanseniaspora is a genus of yeasts. The name Kloeckera is applied to its anamorph form. They are typically apiculate (lemon-shaped) in shape and often found in grape musts pre-fermentation. The genus name Hanseniaspora honours Emil Christian Hansen (1842–1909), who was a Danish mycologist and fermentation physiologist. It was initially circumscribed by H. Zikes in 1911, but not validly published. Albert Klöcker published the name validly the following year. The genus is notable for its loss of many highly conserved genes responsible for cell cycle regulation and genome integrity, resulting in

Torrendiella is a genus of fungi in the family Sclerotiniaceae. It was circumscribed by Jean Louis Émile Boudier and John Torrey in Bull. Soc. Mycol. France vol.27 on page 133 in 1911, with Torrendiella ciliata as the type species. Several species once placed in this genus were transferred to Hymenotorrendiella in 2014. The genus name of Torrendiella is in honour of Camille Torrend (1875-1961), who was a Portuguese clergyman and mycologist. He was active in France, Portugal, Ireland and Brazil. He was also a professor of botany and phytopathology at the Imperial Agricultural School of Bahia.

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Penicillium glabrum is a plant pathogen infecting strawberries.

Nectriopsis is a genus of fungi in the class Sordariomycetes. The number of species in this genus varies between sources. The Dictionary of Fungi lists only 58 species, but the Catalogue of Life includes 72 species.

Zoophagus is a genus of zygomycete fungi that preys on rotifers and nematodes. It was established in 1911 by Sommerstorff, who originally considered it to be an oomycete. It is common in a variety of freshwater habitats, such as ponds and sewage treatment plants.

Scherffelia is a genus of green algae in the family Chlorodendraceae. It is widespread in freshwater, brackish, and marine habitats, but is often overlooked due to its small size. The genus was circumscribed by Adolf A. Pascher in Lotos vol.59 on page 341 in 1911. The genus name of Scherffelia is in honour of Aladár Scherffel (1865–1938), who was a Hungarian botanist (Algology) and mycologist.

Penicillium solitum is an anamorphic, mesophilic, salinity-tolerant, and psychrotolerant species of fungus in the genus Penicillium. It is known to produce various compounds including polygalacturonase, compactin, cyclopenin, cyclopenol, cyclopeptin, dehydrocompactin, dihydrocyclopeptin, palitantin, solistatin, solistatinol, viridicatin, viridicatol. P. Solitum forms dark blueish-green colonies that measure 22–28 mm in diameter on Czaek yeast extract agar, while on malt extract agar, it appears brownish orange. This distinct orange-brown color sets P. solitum apart from other similar

Penicillium palitans is an anamorph species of fungus in the genus Penicillium which was isolated from cheese and ancient permafrost deposits. Penicillium palitans produces viridicatin, cyclopiazonic acid, roquefortine, palitantin and ochratoxin A

Cercospora capsici is a species of fungus in the family Mycosphaerellaceae. It is a plant pathogen that causes leaf spot, known as frogeye spot, on peppers.

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Penicillium turbatum is an anamorph species of fungus in the genus Penicillium which was isolated from Taxus baccata. Penicillium turbatum produces pipolythiopiperazinedione-antibiotics, hyalodendrin A and hadacitin.

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Dirina catalinariae is a species of saxicolous (rock-dwelling), crustose lichen in the family Roccellaceae. It occurs in the southwestern United States, Mexico, and the Galápagos Islands.

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Thyrostroma compactum is a plant pathogen in the family Botryosphaeriaceae.