Carteria is a genus of green algae in the family Chlamydomonadaceae. Carteria are distinguished from Chlamydomonas by having four, rather than two, flagella at the vegetative stage.
Hysteropezizella is a genus of fungi in the family Dermateaceae. The genus, first described by F. von Höhnel in 1917, contains 19 species.
Cenangium is a genus of fungi in the family Helotiaceae. The genus contains 25 species. The type species Cenangium ferruginosum causes dieback of pines.
Simonyella is a genus of lichenized fungi in the family Roccellaceae. A monotypic genus, it contains the single species Simonyella variegataJ. Steiner (1902).
Treubiomyces is a genus of fungi in the family Chaetothyriaceae.
Xenothecium is a genus of fungus in the family Hyponectriaceae; according to the 2007 Outline of Ascomycota, the placement in this family was uncertain. In 2020 it was confirmed. This is a monotypic genus, its only species being Xenothecium jodophilum. It was published by Franz Xaver Rudolf von Höhnel in Sber. Akad. Wiss. Wien, Math.-naturw. Kl., Abt. 1 vol.128 (7-8) on page 589 in 1919.
Koordersiella is a genus of fungi in the class Dothideomycetes. The relationship of this taxon to other taxa within the class is unknown.
Mycoglaena is a genus of fungi in the class Dothideomycetes. The relationship of this taxon to other taxa within the class is unknown.
Wettsteinina is a genus of 23 fungi in the class Dothideomycetes. The type species Wettsteinina gigantospora was first described by Franz Xaver Rudolf von Höhnel in 1907. The relationship of this taxon to other taxa within the class is unknown.
Keissleriella is a genus of fungi in the Massarinaceae family. The genus was circumscribed by Franz Xaver Rudolf von Höhnel in 1919.
Calycellina is a genus of fungi in the family Hyaloscyphaceae. The genus contains about 43 species.
Unguiculella is a genus of lichen-forming fungi in the family Cordieritidaceae. A total of 17 species fall under this genus.
Poronidulus is a fungal genus in the family Polyporaceae. It is a monotypic genus, and contains the single polypore species Poronidulus conchifer, found in North America. The genus was circumscribed by American mycologist William Alphonso Murrill in 1904. The generic name, which combines the Ancient Greek word πόρος ("pore") with the Latin word nidulus, refers to the superficial similarity of the cup-shaped Poronidulus fruit bodies with those of the genus Nidularia. A second species, Poronidulus bivalvis, found in Bogor, was placed in the genus by Franz Xaver Rudolf von Höhnel in 1914. The actual identity of this taxon, however, is uncertain.
Limacinula is a genus of fungi within the Coccodiniaceae family. The genus was first named by Franz Xaver Rudolf von Höhnel in 1907.
Valetoniella is a genus of fungi within the Niessliaceae family. The genus contains three species.
Franz Xaver Rudolf von Höhnel was an Austrian bryologist, mycologist, and algologist, brother of explorer Ludwig von Höhnel (1857–1942). He obtained his PhD in Strasbourg in 1877, and was a professor of botany in the Vienna University of Technology from 1884 to 1920. Höhnel described roughly 250 new genera and 500 species of fungi, and was known for his contributions to the taxonomy of the Coelomycetes. He died in Vienna on November 11, 1920.
The Coronophoraceae are a family of fungi in the Ascomycota, order Coronophorales. The family was described by Austrian mycologist Franz Xaver Rudolf von Höhnel in 1907.
Jackiellaceae is a family of liverworts belonging to the order Jungermanniales. The family consists of only one genus: Jackiella.
Verrucula is a genus of lichenicolous (lichen-dwelling) lichens in the family Verrucariaceae. Species in the genus are parasitic on saxicolous (rock-dwelling), crustose lichens, including Xanthoria elegans as well as lichens from genus Caloplaca that contain chemical substances called anthraquinones.
Lambertella corni-maris is a small ascomycete fungi. It grows in deciduous fruit areas, and causes postharvest Lambertella rot on apple fruits. The species also forms a mycoparasitism relationship with Monilinia fructigena. It is the type species of the genus Lambertella.
