Josef Hafellner

Austrian mycologist and lichenologist.

Josef Hafellner (1951– ) is an Austrian mycologist and lichenologist. He was awarded the Acharius Medal in 2016 for his lifetime contributions to lichenology. Before his retirement, he was a professor at the Karl-Franzens-Universität in Graz. Hafellner started developing an interest in lichens while he was a student at this institution, studying under Josef Poelt. He earned a master's degree in 1975 and a PhD in 1978, defending a doctoral thesis about the genus Karschia. In 2003, Hafellner received his habilitation. By this time, he had studied with French lichenologist André Bellemère (1927–2

Abbreviations: Hafellner
Occupations: university teacher, mycologist, lichenologist, botanist, botanical collector
Citizenships: Austria
Languages: German
Dates: 1951-01-01T00:00:00Z
Birth place: Leoben
Direct attributions: 3 plants, 471 fungi
Authorship mentions: 3 plants, 495 fungi

471 fungi attributed, 24 fungi contributed to495 fungi:

Rhizocarpaceae M. Choisy ex Hafellner 1984
fungi family in the order rhizocarpales
Rhizocarpaceae is a family of lichen-forming fungi; together with the family Sporastatiaceae it constitutes the order Rhizocarpales in the Ascomycota, class Lecanoromycetes. These lichens are primarily rock-dwellers that form thin, paint-like crusts tightly attached to stone surfaces, though some species grow as small scales or radiating rosettes. The family includes five genera found mainly in cool to cold regions around the world, where they colonize exposed siliceous and basic rocks in sunny locations. Most species reproduce through small black disc-shaped fruiting bodies that sit flush
Megalosporaceae Vězda ex Hafellner & Bellem. 1982
fungi family in the order teloschistales
The Megalosporaceae are a family of mostly lichen-forming fungi belonging to the class Lecanoromycetes in the division Ascomycota. The family comprises three genera and roughly forty described species, distributed mainly in humid temperate to tropical forests of the Southern Hemisphere.
Dactylosporaceae Bellem. & Hafellner 1982
fungi family in the order lecanorales
The Dactylosporaceae or Sclerococcaceae are a family of lichen-forming fungi in the class Eurotiomycetes. It is the only family of the order Sclerococcales and subclass Sclerococcomycetidae.
Tephromelataceae Hafellner 1984
fungi family in the order lecanorales
The Tephromelataceae are a family of lichenized fungi in the order Lecanorales. The family was circumscribed by Austrian lichenologist Josef Hafellner in 1984. Tephromelataceae comprises the genera Tephromela, Calvitimela, Mycoblastus and Violella, which together constitute a well-supported monophyletic group.
Ophioparmaceae (Bloodspot Lichens And Clam Lichens) R.W. Rogers & Hafellner 1988
fungi family in the order umbilicariales
The Ophioparmaceae are a small family of lichen-forming fungi in the order Umbilicariales.
Mycoblastaceae Hafellner 1984
fungi family in the order lecanorales
The Tephromelataceae are a family of lichenized fungi in the order Lecanorales. The family was circumscribed by Austrian lichenologist Josef Hafellner in 1984. Tephromelataceae comprises the genera Tephromela, Calvitimela, Mycoblastus and Violella, which together constitute a well-supported monophyletic group.
Letrouitiaceae Bellem. & Hafellner 1982
fungi family in the order teloschistales
The Letrouitiaceae are a family of lichen-forming fungi belonging to the order Teloschistales. The family, which has a tropical and subtropical distribution, contains the single genus Letrouitia, which contains about 15 species. The family and the genus, both circumscribed in 1982 by André Bellemère and Josef Hafellner, are named in honour of Marie-Agnès Letrouit-Galinou.
Fuscideaceae (Fuscidia Lichens) Hafellner 1984
fungi family in the order umbilicariales
Fuscideaceae is a family of fungi that form symbiotic relationships with algae to create lichens. These lichens typically have a crust-like appearance and are found worldwide, though they are most common in temperate regions. The family includes four genera and about 45 species, which primarily grow on tree bark, rocks, or occasionally on wood or leaves. Fuscideaceae lichens are characterised by their reproductive structures, cup-like formations called apothecia, which can vary in colour from red to dark brown or black. The family has undergone several changes in its classification over the
Catillariaceae Hafellner 1993
fungi family in the order lecanorales
The Catillariaceae are a family of crustose lichens in the order Lecanorales. Species of this family have a widespread distribution, especially in temperate areas. The family contains five genera and about 130 species, most of which form crusty growths tightly attached to rocks, bark, or soil.
Calvitimela Hafellner 2001
fungi genus in the tephromelataceae family
Calvitimela is a fungal genus in the family Tephromelataceae, comprising 11 species of lichen. These lichens grow tightly attached to rocks, appearing as thin, crust-like layers on their surface. They are primarily found in alpine and arctic regions around the world. Calvitimela species are characterised by their areolate (segmented) thallus and black, shiny, convex apothecia (fruiting bodies). The genus currently includes eleven recognised species, though recent genetic studies have revealed unexpected diversity within this group. Calvitimela lichens are known for their varied secondary
Biatorellaceae M. Choisy ex Hafellner & Casares 1992
fungi family in the order lecanorales
Biatorellaceae is a family of lichen-forming fungi in the subclass Lecanoromycetidae. The family is monotypic, and contains the single genus Biatorella, which contains eight species. Species in the genus have a cosmopolitan distribution, they are also found in northern temperate regions, especially in Europe. but also in tropical Central America, Africa and Asia (such as India). As well as Australia.
Zwackhiomyces Grube & Hafellner 1990
fungi genus in the xanthopyreniaceae family
Zwackhiomyces is a genus of lichenicolous (lichen-dwelling) fungi in the family Xanthopyreniaceae.
Sarrameanaceae Hafellner 1984
fungi family in the order sarrameanales
Sarrameanaceae is a family of lichen-forming fungi in the monotypic order Sarrameanales. The family was established in 1984 by Josef Hafellner and contains three genera. These lichens form crust-like growths that often produce powdery reproductive structures for spreading to new locations. They have brown to black fruiting bodies and show remarkable diversity in ascospore shapes, with some species coiling their spores in tight spirals within their reproductive structures.
Pycnora Hafellner 2001
fungi genus in the pycnoraceae family
Pycnora is a small genus of lichen-forming fungi in the monotypic family Pycnoraceae. The genus was established in 2001 by the Austrian lichenologist Josef Hafellner, who named it by combining references to its conspicuous black reproductive structures and its relationship to the lichen genus Lecanora. These wood-dwelling lichens form thin grey crusts on the smooth surfaces of dead wood in cool northern and mountain forests, where they colonise fallen tree trunks and branches that have lost their bark. The genus contains three species and is distinguished by its readily visible black fruiting
Megaspora (False Sunken Disk Lichen) (Clauzade & Cl. Roux) Hafellner & V. Wirth 1987
fungi genus in the megasporaceae family
Megaspora is a genus of lichen-forming fungi in the family Megasporaceae. It contains four species of crustose lichens that typically grow on soil, bryophytes (mosses and liverworts), or plant litter on chalky substrates.
Lobothallia (Puffed Sunken-disk Lichens) (Clauzade & Cl. Roux) Hafellner 1991
fungi genus in the megasporaceae family
Lobothallia is a genus of lichen-forming fungi in the family Megasporaceae. Dark brown to black apothecia may be sunken into the surface of the thallus, as indicated in the common name puffed sunken-disk lichen. Originally described as a subgenus of Aspicilia in 1984, Lobothallia was elevated to full genus status in 1991 based on distinctive features including peripheral lobes and small, thin-walled ascospores. The genus was established to clarify a group of rock-dwelling lichens that had previously been classified across several different genera. The genus is found across multiple continents
Adelolecia Hertel & Hafellner 1984
fungi genus in the lecanoraceae family
Adelolecia is a genus of crustose lichens in the family Lecanoraceae. These rock-dwelling lichens form thin crusts made up of small angular patches, typically reaching about 12 cm across with distinctive black, round fruiting bodies that sit directly on the surface. The genus includes four species found in mountainous and arctic regions, where they grow on various types of rock and are distinguished by chemical compounds (lichen products) that produce colourful diagnostic reactions when tested with laboratory solutions.
Tephromela atra (Black-eye Lichen) (Huds.) Hafellner 1983
fungi species in the tephromelataceae family
Tephromela atra is a species of lichen in the family Tephromelataceae. It has a worldwide distribution.
Sagenidiopsis R.W. Rogers & Hafellner 1987
fungi genus in the roccellaceae family
Sagenidiopsis is a genus of lichen-forming fungi in the family Arthoniaceae. It was circumscribed in 1987 by lichenologists Roderick Rogers and Josef Hafellner to contain the type species S. merrotsii, found in Australia. The characteristic features of the genus include the byssoid (cottony) thallus and bitunicate asci (enclosed in a double wall) that lack amyloid structures that are apparent in the thallus.
Miltideaceae Hafellner 1984
fungi family in the order pertusariales
The Agyriaceae are a family of lichenized fungi in the order Pertusariales. It contains two genera: Agyrium, and Miltidea. The family was circumscribed by August Carl Joseph Corda in 1838. In 2018, using a molecular phylogenetic approach coupled with a technique known as "temporal banding", Kraichak and colleagues proposed to fold the family Miltideaceae into the Agyriaceae. A close genetic relationship between these two families had previously been noted. The proposal to subsume Miltideaceae into the Agyriaceae was accepted in a later critical analysis of the temporal banding technique for
Megalaria (Dot Lichens) Hafellner 1984
fungi genus in the ramalinaceae family
Megalaria is a genus of lichen-forming fungi in the family Ramalinaceae. It contains 46 species of crustose lichens, the majority of which grow on bark. The genus was established in 1984 and has since grown to include species from diverse regions ranging from subantarctic islands to tropical forests. Most Megalaria species are recognised by their large, black fruiting bodies that sit directly on the lichen's surface, along with their thick-walled ascospores that are divided by a single internal partition. The genus primarily colonises tree bark in moist, shaded habitats, though some species
Lobothallia praeradiosa (Nyl.) Hafellner 1991
fungi species in the megasporaceae family
Lobothallia praeradiosa is a species of saxicolous (rock-dwelling)crustose lichen in the family Megalosporaceae. It forms a pale, radiating crust with distinct marginal lobes, and develops pale, flat fruiting bodies (apothecia). The species grows on sun-exposed rock in dry habitats and is reported from a broad range across Eurasia and North America.
Lichenochora weillii (Weill's Lichenochora Lichen) (Werner) Hafellner & R. Sant. 1989
fungi species in the phyllachoraceae family
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Crocyniaceae M. Choisy ex Hafellner 1984
fungi family in the order lecanorales
The Ramalinaceae are a family of lichen-forming fungi in the order Lecanorales. First proposed by Carl Adolph Agardh in 1821, the family now comprises 71 genera and more than 1200 species. Ramalinaceae lichens exhibit diverse growth forms, including crustose, fruticose, squamulose, leprose, and byssoid thalli, and form symbiotic relationships primarily with green algae of the genus Trebouxia. The family is characterised by pale-coloured thalli, apothecia (fruiting bodies) that are typically pale but may darken with age, and ascospores that vary in shape and septation. Members of the
Clauzadea Hafellner & Bellem. 1984
fungi genus in the lecideaceae family
Clauzadea is a genus of lichen-forming fungi in the family Lecideaceae. The genus contains four species. These lichens grow almost exclusively on limestone and other calcium-rich rocks, often living mostly hidden within the upper layers of the stone with only a faint grey or brown film visible on the surface. They produce small, initially reddish-brown fruiting bodies that darken to black and may sit flush with the rock surface or be sunken so deeply that they leave neat pits when they weather away.
Brigantiaeaceae Hafellner & Bellem. 1982
fungi family in the order teloschistales
The Brigantiaeaceae are a family of fungi in the order Teloschistales. Species in this family are lichenized with green algae, and are usually found growing on bark.
Bellemerea (Brown Sunken Disk Lichens) Hafellner & Cl. Roux 1984
fungi genus in the lecideaceae family
Bellemerea is a genus of saxicolous (rock-dwelling) crustose lichens in the family Lecideaceae. These lichens form tough, crusty patches on hard rock surfaces, often appearing as a mosaic of small angular blocks in colours ranging from white and grey to brown. The genus includes nine species found primarily in mountainous and polar regions where they help colonize bare rock surfaces in harsh environments.
Tephromela grumosa (Pers.) Hafellner & Cl. Roux 1985
fungi species in the tephromelataceae family
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Telogalla Nik. Hoffm. & Hafellner 2000
fungi genus in the verrucariaceae family
Telogalla is a genus of lichenicolous fungi in the family Verrucariaceae. It has two species. The genus was circumscribed by Nikolaus Hoffmann and Josef Hafellner.
Protomicarea Hafellner 2001
fungi genus in the psoraceae family
Protomicarea is a genus of lichen-forming fungi in the family Psoraceae. The genus contains two species: Protomicarea limosa (the type) and Protomicarea alpestris. Protomicarea was circumscribed by lichenologist Josef Hafellner in 2001.
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