Josef Adolf von Arx

The oomycetes, or Oomycota, form a distinct phylogenetic lineage of fungus-like eukaryotic microorganisms within the Stramenopiles. They are filamentous and heterotrophic, and can reproduce both sexually and asexually. Sexual reproduction of an oospore is the result of contact between hyphae of male antheridia and female oogonia; these spores can overwinter and are known as resting spores. Asexual reproduction involves the formation of chlamydospores and sporangia, producing motile zoospores. Oomycetes occupy both saprophytic and pathogenic lifestyles, and include some of the most notorious

Yarrowia lipolytica is a species of fungus in the family Dipodascaceae. It is notable for its use of unusual carbon sources, such as hydrocarbons. This has made it of interest for use in industrial microbiology, especially for the production of specialty lipids.

Yarrowia is a fungal genus in the family Dipodascaceae. For a while the genus was monotypic, containing the single species Yarrowia lipolytica, a yeast that can use unusual carbon sources, such as hydrocarbons. Molecular phylogenetics analysis has revealed several other species that have since been added to the genus.

The Phycomycetaceae are a family of fungi in the order Mucorales. Species in this family are widespread, but more common in temperate areas. The family was circumscribed in 1982 by J. Arx.

Gaeumannomyces is a genus of fungi in the family Magnaporthaceae.

The Testudinaceae are a family of fungi in the order Pleosporales. Taxa have a widespread distribution, especially in xeric habitats, and are mostly saprobic.

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The Mesnieraceae are a family of fungi with an uncertain taxonomic placement in the class Dothideomycetes.

Cherry leaf spot (Blumeriella jaapii) is a fungal disease which infects cherries and plums. Sweet, sour, and ornamental cherries are susceptible to the disease, being most prevalent in sour cherries. The variety of sour cherries that is the most susceptible are the English morello cherries. This is considered a serious disease in the Midwest, New England states, and Canada. It has also been estimated to infect 80 percent of orchards in the Eastern states. It must be controlled yearly to avoid a significant loss of the crop. If not controlled properly, the disease can dramatically reduce

Blumeriella is a genus of fungi in the family Drepanopezizaceae, formerly placed in Dermateaceae. The genus contain five species.

Schizothyrium pomi is a plant pathogen of the sooty blotch and flyspeck complex, infecting apple, pear and citrus trees and carnations. As of 2008 it has been a presumed teleomorph of Zygophiala jamaicensis.

The Saccharomycopsidaceae are a family of yeasts in the order Saccharomycetales. According to the 2007 Outline of Ascomycota, the family contains three genera, although the placement of the genus Ambrosiozyma is uncertain. Species in this poorly known family have a widespread distribution.

Eleutherascus is a genus of fungi in the family Ascodesmidaceae. It was described by mycologist Josef Adolf von Arx in 1971.

Didymella rabiei, commonly called chickpea ascochyta blight fungus, is a fungal plant pathogen of chickpea. Didymella rabiei is the teleomorph of Ascochyta rabiei, which is the anamorph, but both names refer to the same species. It is typically aneuploid with 12-16 chromosomes.

Colletotrichum musae is a plant pathogen primarily affecting the genus Musa, which includes bananas and plantains. It is best known as a cause of anthracnose (the black and brown spots) indicating ripeness on bananas.

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Xanthothecium is a genus of fungi within the Onygenaceae family. This is a monotypic genus, containing the single species Xanthothecium peruvianum.

Wallemia sebi is a xerophilic fungus of the phylum Basidiomycota. It is commonly found on highly sugared or salted materials, such as jams, bread, cakes, sugar, bacon, salted meats, and salted fish. It is also found in indoor air, house dust, and soil. One distinctive feature of W. sebi is its relationship with water activity. Most fungi are profoundly affected by the availability of water. The ability to tolerate environments with low water activity has been found mostly in Ascomycota, but rarely in Basidiomycota. However, W. sebi. can adjust its morphology and physiology to adapt to

Subramaniula is a genus of fungi within the Chaetomiaceae family.

Spororminula is a genus of fungi in the family Sporormiaceae. This is a monotypic genus, containing the single species Spororminula tenerifae.

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Hyphopichia is a genus of fungi within the Serinales order. The relationship of this taxon to other taxa within the order is unknown (incertae sedis), and it has not yet been placed with certainty into any family.

Chaetonaevia is a genus of fungi in the family Dermateaceae. The genus contains 3 species.

Cainia is a genus of fungi in the family Cainiaceae. The genus, widespread in temperate regions, contains three species that grow on grasses.

Batistinula is a genus of fungi in the Asterinaceae family. The relationship of this taxon to other taxa within the class is unknown (incertae sedis), and it has not yet been placed with certainty into any order. This is a monotypic genus, containing the single species Batistinula gallesiae.

Aulographina is a genus of fungi. It was placed in the Asterinaceae family. then later placed in the Teratosphaeriaceae family.

Apiosordaria is a genus of fungi within the Lasiosphaeriaceae family.

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Thermoascus thermophilus is a species of fungus in the genus Thermoascus in the order of Eurotiales.