Franz Petrak

Austrian-czech botanist and mycologist (1886–1973).

Franz Petrak (9 October 1886 in Mährisch-Weißkirchen – 9 October 1973 in Vienna) was an Austrian-Czech mycologist. From 1906 to 1910, he studied botany at the University of Vienna, where he was a student of Richard Wettstein. In 1913, he obtained his doctorate of sciences, and until 1916, worked as a high school teacher in Vienna. During World War I, he was stationed in Galicia and Albania, where he collected specimens in his spare time. From 1918 to 1938, he worked as a private scientist in his home town, and from 1938 to 1951, was associated with the Naturhistorisches Museum in Vienna. He wa

Abbreviations: Petr.
Occupations: scientific collector, mycologist, botanist, botanical collector, biologist
Citizenships: Austria–Hungary, Austria
Languages: German
Dates: 1886-01-01T00:00:00Z – 1973-01-01T00:00:00Z
Birth place: Hranice
Direct attributions: 103 plants, 2,383 fungi
Authorship mentions: 134 plants, 2,587 fungi

2,383 fungi attributed, 204 fungi contributed to2,587 fungi:

Neobulgaria pura (Beech Jelly-disc) (Pers.) Petr. 1921
fungi species in the gelatinodiscaceae family
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Hyponectriaceae Petr. 1923
fungi family in the order xylariales
The Hyponectriaceae are a family of fungi, that was formerly in the order Xylariales. It was placed in the Amphisphaeriales order in 2020.
Neobulgaria Petr. 1921
fungi genus in the gelatinodiscaceae family
Neobulgaria is a genus of fungi within the family Leotiaceae. The genus, circumscribed by the Austrian mycologist Franz Petrak in 1921, contains nine species.
Pleurosticta Petr. 1931
fungi genus in the parmeliaceae family
Pleurosticta is a small genus of foliose lichens belonging to the family Parmeliaceae. It has two species.
Coniella diplodiella (Speg.) Petr. & Syd. 1927
fungi species in the schizoparmaceae family
Coniella diplodiella is a plant pathogen.
Macrophomina Petr. 1923
fungi genus in the botryosphaeriaceae family
Macrophomina is a genus of plant pathogens in the fungus family Botryosphaeriaceae, originally described by Franz Petrak in 1923. It contains at least 5 species. The type species was originally called M. philippinensis, but its current name is Macrophomina phaseolina; it causes charcoal rot disease on many diverse plant species. The former species Macrophomina limbalis has been renamed to Dothiorella limbalis.
Lichenoconium pyxidatae (Oudem.) Petr. & Syd. 1927
fungi species in the lichenoconiaceae family
Lichenoconium pyxidatae is a species of lichenicolous fungus belonging to the class Dothideomycetes. It has a Holarctic distribution being found in Alaska and various parts of Russia, including Siberia, Franz Josef Land, Novaya Zemlya and Wrangel Island.
Lichenoconium Petr. & Syd. 1927
fungi genus in the lichenoconiaceae family
Lichenoconium is a genus of lichenicolous (lichen-dwelling) fungi belonging to the family Lichenoconiaceae. The genus was circumscribed by Franz Petrak and Hans Sydow in 1927, with Lichenoconium lichenicola assigned as the type species.
Herpotrichia juniperi (Brown Felt Blight) (Sacc.) Petr. 1925
fungi species in the melanommataceae family
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Vouauxiella lichenicola (Linds.) Petr. & Syd. 1927
fungi species
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Septocyta ruborum (Lib.) Petr. 1968
fungi species
Septocyta ruborum is a species of fungus in the Ascomycota. Its taxonomic relationship to other taxa in the Ascomycota is unknown, and it has not been assigned with certainty to any order or family (incertae sedis). It is a plant pathogen and grows on Rubus laciniatus, R. nessensis, R. procerus and wild blackberry (R. fruticosus); it causes purple blotch or stem spot disease, also known as dieback of blackberries.
Platychora ulmi (J. Schröt.) Petr. 1925
fungi species in the didymellaceae family
Platychora ulmi is a plant pathogen infecting elms.
Mycosphaerella podagrariae (Roth) Petr. 1921
fungi species in the mycosphaerellaceae family
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Lepteutypa Petr. 1923
fungi genus in the amphisphaeriaceae family
Lepteutypa is a genus of plant pathogens in the family Amphisphaeriaceae. First described by the Austrian mycologist Franz Petrak in 1923, the genus contains 10 species according to a 2008 estimate. It was increased to 15 in 2020. The genus Lepteutypa is teleomorphic (reproducing sexually) and the corresponding anamorphic name, used to describe the asexual form, is Seiridium (formerly Coryneum). For instance, the name Seiridium cupressi can still be used for the anamorphic form of that species, but now that it is known that a sexual stage exists, the name Seiridium cupressi should be
Cryptodiaporthe Petr. 1921
fungi genus in the gnomoniaceae family
Cryptodiaporthe is a genus of fungi in the family Gnomoniaceae. The genus contains 24 species.
Cashiella Petr. 1951
fungi genus
Cashiella is a genus of fungi in the family Dermateaceae. The genus contains four species. Cashiella, circumscribed in 1951 by Franz Petrak, is named in honor of American mycologist Edith Katherine Cash.
Arnaudiella Petr. 1927
fungi genus in the microthyriaceae family
Arnaudiella is a genus of fungi in the Microthyriaceae family.
Apiorhynchostoma Petr. 1923
fungi genus in the clypeosphaeriaceae family
Apiorhynchostoma is a genus of fungi in the family Boliniaceae; according to the 2007 Outline of Ascomycota. The placement was confirmed in 2020.
Amphiporthe Petr. 1971
fungi genus in the valsaceae family
Amphiporthe is a genus of fungi within the family Valsaceae.
Allonectella Petr. 1950
fungi genus in the nectriaceae family
Allonectella is a genus of ascomycete fungi in the family Nectriaceae.
Allantoporthe Petr. 1921
fungi genus in the diaporthaceae family
Allantoporthe is a genus of fungi within the Diaporthaceae family.
Xenotypa aterrima (Fr.) Petr. 1955
fungi species in the gnomoniaceae family
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Uleothyrium Petr. 1929
fungi genus in the asterinaceae family
Uleothyrium 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. The genus was circumscribed by Franz Petrak in Ann. Mycol. vol.14 (1-2) on pages 65, 96 in 1916 and also in Ann. Mycol. vol.27 (5-6) on page 388 in 1929. The genus name of Uleothyrium is in honour of Ernst Heinrich Georg Ule (1854–1915), who was a German botanist and plant collector. As accepted by Species Fungorum; Uleothyrium amazonicum Petr. (1929) Uleothyrium leptocarpum Syd.
Trichothyrinula Petr. 1950
fungi genus in the microthyriaceae family
Trichothyrinula is a genus of fungi in the Microthyriaceae family.
Thaxteriella Petr. 1924
fungi genus in the tubeufiaceae family
Thaxteriella is a genus in the Tubeufiaceae family of fungi.
Telimenella Petr. 1940
fungi genus in the phyllachoraceae family
Telimenella is a genus of fungi in the family Phyllachoraceae.
Sydowiella Petr. 1923
fungi genus in the sydowiellaceae family
Sydowiella is a genus of fungi within the family Sydowiellaceae. The genus was circumscribed by Franz Petrak in Ann. Mycol. vol.21 on page 30 in 1923. The genus name of Sydowiella is in honour of Hans Sydow (1879–1946), who was a German mycologist.
Stegophorella Petr. 1947
fungi genus
Stegophorella is a genus of fungi within the class Sordariomycetes. The relationship of this taxon to other taxa within the class is unknown (incertae sedis).
Skottsbergiella diaporthoides (Skottsbergiella) Petr. 1927
fungi species in the gnomoniaceae family
Skottsbergiella is a genus of fungi in the family Gnomoniaceae. This is a monotypic genus, containing the single species Skottsbergiella diaporthoides, first described by Franz Petrak in 1927. The genus and species were circumscribed by Petrak in Nat. Hist. Juan Fernandez Easter Island (Skottsberg) vol.2 on page 481 in 1927. The genus name of Skottsbergiella is in honour of Carl Johan Fredrik Skottsberg (1880–1963), who was a Swedish botanist and explorer of Antarctica.
Pyrenocyclus ambiguus (Pyrenocyclus) Petr. 1955
fungi species
Pyrenocyclus is a genus of fungi in the class Dothideomycetes. The relationship of this taxon to other taxa within the class is unknown (incertae sedis). A monotypic genus, it contains the single species Pyrenocyclus ambiguus.
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