Walter Jülich

The Meripilaceae are a family of fungi in the order Polyporales. The family was circumscribed by Swiss mycologist Walter Jülich in 1982 with Meripilus as the type genus. A 2008 estimate placed 7 genera and 57 species in Meripilaceae. As of April 2018, Index Fungorum accepts 74 species in the family.

The Gomphidiaceae are a family of mushroom-forming fungi in the order Boletales. Unlike other boletes, all members of Gomphidiaceae (except for Gomphogaster) are agarics, having gills instead of pores. Member genera include Chroogomphus, Cystogomphus, Gomphidius and Gomphogaster, the last being a monotypic genus (i.e. with a single species) that may be incorporated into Gomphidius in the future after molecular assessment. The similarly named genus Gomphus is unrelated to this family. Another genus Brauniellula has since been sunk into Chroogomphus. Like all agarics, this group was formerly

The Gomphales are an order of basidiomycete fungi. Some or all families belonging to Gomphales have been sometimes included in the order Phallales (and vice versa - they are also sometimes treated as synonyms), the now-obsolete Ramariaceae was also previously included in Cantharellales. Recent phylogenetic analyses include in Gomphales the families of the original description of the order by Walter Jülich, with addition of Clavariadelphaceae. According to one 2008 estimate, the Gomphales contain 18 genera and 336 species.

The Fomitopsidaceae are a family of fungi in the order Polyporales. Most species are parasitic on woody plants, and tend to cause brown rots. The name comes from Fomitopsis (meaning "looking like Fomes") + -aceae (a suffix used to form taxonomic family names).

The Lyophyllaceae is a family of fungi in the order Agaricales. A 2008 estimate indicated eight genera and 157 species; as of November 2014, the Catalog of Life lists 13 genera in the family. The taxon was originally circumscribed in 1938 by mycologist Robert Kühner as the tribe Lyophylleae (in the family Tricholomataceae), but raised to the taxonomic rank of family and renamed the Lyophyllaceae by Walter Jülich in 1981. Some species are popular as edible fungi, such as the brown beech mushroom Hypsizygus tessulatus, the St. George's mushroom Calocybe gambosa, and Lyophyllum shimeji.

The Inocybaceae are a family of fungi in the order Agaricales, the largest order of mushroom-forming fungi. It is one of the larger families within Agaricales (gilled mushrooms). This family exhibits an ectomycorrhizal ecology. Members of this family have a widespread distribution in tropical and temperate areas.

Artomyces pyxidatus is a coral fungus that is commonly called crown coral or crown-tipped coral fungus. Its most characteristic feature is the crown-like shape of the tips of its branches. The epithet pyxidatus means "box-like"—a reference to this shape.

The Typhulaceae are a family of clavarioid fungi in the order Agaricales. Basidiocarps are small, simple, and typically club-shaped with a distinct stem. The family originally contained several genera, including Macrotyphula and Ceratellopsis, but molecular research, based on cladistic analysis of DNA sequences, has shown that only the type genus Typhula belongs in the Typhulaceae, the other genera being synonyms or belonging to other families. The monotypic Lutypha sclerotiophila has not yet been sequenced.

The Phanerochaetaceae are a family of mostly crust fungi in the order Polyporales.

Postia tephroleuca, also known as greyling bracket, is a species of fungus in the family Fomitopsidaceae infecting broad-leaved trees, typically beech and plane.

The Cystostereaceae are a family of fungi in the order Polyporales. The family was circumscribed by Swiss mycologist Walter Jülich in 1982. As of April 2018, Index Fungorum accepts 6 genera and 18 species in the family.

The Niaceae are a family of fungi in the order Agaricales. The family contains six genera and 56 species. GBIF (in 2022), accepted 10 genera and 278 species.

Crustomyces is a genus of fungi in the family Cystostereaceae. The widespread genus contains three species.

Cylindrobasidium is a genus of corticioid fungi in the family Physalacriaceae. circumscribed by the Swiss mycologist Walter Jülich in 1974. As of June 2015, Index Fungorum lists eight species in the genus.

The Botryobasidiaceae are a family of fungi in the order Cantharellales. The family contains a group of corticioid fungi that form thin, web-like basidiocarps. Some species form asexual anamorphs producing chlamydospores. All are believed to be wood-rotting or litter-rotting saprotrophs. None is known to be of any economic importance.

Atheliales is an order of mostly corticioid or athelioid fungi placed under the Agaricomycetidae subclass. It was first described by Walter Jülich in 1981 along with 4 families, Lobuliciaceae, Atheliaceae, Byssocorticiaceae and Pilodermataceae. Another family was discovered in 2020 called Tylosporaceae. It contains roughly 100 described species in 20 genera with varied ecological diversity. Most species have relatively simple gross morphology and do not have a lot of diagnostic characters. They produce crust-like fruiting bodies attached loosely to their substrate.

Atheliaceae is a family of mostly corticioid fungi placed in the order Atheliales. Both the order and the family were described by the Swiss mycologist Walter Jülich in 1981 along with three other families, Lobuliciaceae, Byssocorticiaceae, Pilodermataceae and Tylosporaceae discovered in 2020. According to a 2008 estimate, the family contains 20 genera and approximately 100 species. However, many genera formerly considered to belong in the Atheliaceae have since been moved to other families, including Amylocorticiaceae, Albatrellaceae, and Hygrophoraceae. Despite being a relatively small

Schizoporaceae are a family of fungi in the order Hymenochaetales. These are saprobic, and cause white rots of standing and fallen wood of coniferous and broadleaved trees. According to one 2008 estimate, the family contains 14 genera and 109 species.

The Filobasidiales are an order in the fungal class Tremellomycetes. The order contains two families and seven genera.

Ceraceomyces is a genus of fungi in the family Amylocorticiaceae. The genus has a widespread distribution and contains 16 species.

Athelia arachnoidea is a corticioid fungus in the family Atheliaceae. The species forms thin, white, cobwebby basidiocarps (fruit bodies) and typically occurs saprotrophically on leaf litter and fallen wood. It can, however, also be a facultative parasite of lichens and can additionally be a plant pathogen (typically found in its asexual Fibularhizoctonia carotae state), causing "crater rot" of stored carrots.

Aphanobasidium is a genus of corticioid or crust fungi in the Radulomycetaceae family. The genus has a widespread distribution and contains several species. This genus was formally considered to be part of the Pterulaceae family. A major reclassification of the Pterulaceae family occurred in 2020 and the genera Aphanobasidium, Radulomyces and Radulotubus were moved to a new family, Radulomycetaceae by the mycologists Caio A. Leal-Dutra, Bryn Tjader Mason Dentinger and Gareth W. Griffith.

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Pseudomerulius is a genus of fungi in the Tapinellaceae family. The genus is widespread and contains two species. P. aureus is noted as being inedible.

Postia sericeomollis is a species of fungus belonging to the family Dacryobolaceae. Synonym: Oligoporus sericeomollis (Romell) Bondartseva, 1983

The Gloeophyllales are a phylogenetically defined order of wood-decay fungi that is characterized by the ability to produce a brown rot of wood. It includes a single, identically defined family, the Gloeophyllaceae, in which are included the genera Gloeophyllum, Neolentinus, Heliocybe, and Veluticeps.

Cinereomyces is a genus of resupinate (crust-like) fungi in the family Gelatoporiaceae. The genus was circumscribed by Swiss mycologist Walter Jülich in 1981. Species in the genus have a gray pore surface except for a whitish margin, and skeletal hyphae with gelatinized walls. As of June 2017, Index Fungorum accepts two species of Cinereomyces: the type, C. lindbladii, and C. dilutabilis. The latter species was transferred to Cinereomyces from Diplomitoporus in 2016.

Artomyces is a genus of coral fungi in the family Auriscalpiaceae. It was circumscribed by Walter Jülich in 1982, who set Artomyces pyxidatus (formerly Clavaria pyxidata Pers. 1794) as the type species.

Amylocorticiales is an order of fungi in the class Agaricomycetes. The order was circumscribed in 2010 to contain mostly resupinate (crust-like) forms that have been referred to genera Anomoporia, Amyloathelia, Amylocorticiellum, Amylocorticium, Amyloxenasma, Anomoloma, Athelopsis, Ceraceomyces, Hypochniciellum, Leptosporomyces and Serpulomyces and the anomalous species, Athelia rolfsii, now classified in its own genus, Agroathelia.

Phlebiopsis is a genus of poroid crust fungi in the family Phanerochaetaceae. The genus contains 11 species, which collectively have a widespread distribution. The genome sequence of the type species, Phlebiopsis gigantea, was published in 2014.