Dominik Begerow

Pucciniomycetes (formerly known as Urediniomycetidae) is a diverse class of fungi in the subphylum Pucciniomycotina of phylum Basidiomycota. The class contains 5 orders, 21 families, 190 genera, and approximately 8,016 species. It has been estimated that this class contains about one third of all teleomorphic basidiomycetes. Pucciniomycetes contains many economically important plant pathogenic fungal rusts; the order Pucciniales (formerly Uredinales) is the largest clade in this class, representing approximately 7,000 species. Pucciniomycetes are cosmopolitan and can be found in both

Pucciniomycotina is a subdivision of fungus within the division Basidiomycota. The group was known as Urediniomycetes until 2006, when it was elevated from a class to a subdivision and named after the largest order in the group, Pucciniales. The subdivision contains 10 classes, 21 orders, and 38 families. Over 8400 species of Pucciniomycotina have been described; thus, the subdivision contains more than 8% of all described fungi. Pucciniomycotina appears to be sister to Agaricomycotina, based on maximum-likelihood analysis of six genes.

The Microbotryomycetes are a class of fungi in the subdivision Pucciniomycotina of the Basidiomycota. The class currently contains eight orders, plus three additional, unassigned families (Chrysozymaceae, Colacogloeaceae, and Mycogloiocolacaceae), plus seven additional, unassigned genera (Oberwinklerozyma, Pseudohyphozyma, Reniforma, Spencerozyma, Trigonosporomyces, Vonarxula, and Yunzhangia). Many species are known only from their yeast states. Species with hyphal states typically produce auricularioid (laterally septate) basidia and are often parasitic on other fungi or plants. Several

The Exobasidiomycetes are a class of fungi sometimes associated with the abnormal outgrowths of plant tissues known as galls. The class includes Exobasidium camelliae Shirai, the camellia leaf gall and Exobasidium vaccinii Erikss, the leaf and flower gall. There are seven orders in the Exobasidiomycetes, including the Ceraceosorales, Doassansiales, Entylomatales, Exobasidiales, Georgefischeriales, Microstromatales and the Tilletiales. Four of the seven orders include smut fungi. The family Ceraceosoraceae was formally validated in 2009 for the order Ceraceosorales. Malasseziales was once

The Cystobasidiomycetes are a class of fungi in the subdivision Pucciniomycotina of the Basidiomycota. Most species are known from their yeast states; hyphal states, when present, produce auricularioid (laterally septate) basidia and are frequently (possibly always) parasites of other fungi. The class contains five orders (Buckleyzymales, Cystobasidiales, Erythrobasidiales, Naohideales, and Sakaguchiales) as well as two families (Microsporomycetaceae and Symmetrosporaceae) and one genus (Queiroziella) of uncertain disposition. An additional order, Cyphobasidiales, has been proposed to

The Agaricostilbomycetes are a class of fungi in the subdivision Pucciniomycotina of the Basidiomycota. The class consists of a single order, six families, and 15 genera. Its type genus, Agaricostilbum was originally placed in Ascomycota, and later, Agaricomycotina, before being placed in Pucinniomycotina. Most species are known only from their yeast states. Where known, basidiocarps (fruitbodies) are typically small and stilboid (pin-shaped). They tend to by mycoparasitic (parasitise other fungi) or saprobic. Their spindle pole bodies (fungal organelles that are functionally equivalent to

Entorrhizomycetes is the sole class in the phylum Entorrhizomycota, within the Fungi subkingdom Dikarya along with Basidiomycota and Ascomycota. It contains three genera and is a small group of teliosporic root parasites that form galls on plants in the Juncaceae (rush) and Cyperaceae (sedge) families. Prior to 2015 this phylum was placed under the subdivision Ustilaginomycotina. A 2015 study did a "comprehensive five-gene analyses" of Entorrhiza and concluded that the former class Entorrhizomycetes is possibly either a close sister group to the rest of Dikarya or Basidiomycota.

The Atractiellomycetes are class of fungi in the Pucciniomycotina subdivision of the Basidiomycota. The class consists of a single order, the Atractiellales, which contains 3 families, 10 genera, and 58 species.

The Georgefischeriales are an order of smut fungi in the class Exobasidiomycetes. The order consists of four families, the Eballistraceae, the Georgefischeriaceae, the Gjaerumiaceae, and the Tilletiariaceae.

The Classiculomycetes are a class of fungi in the Pucciniomycotina subdivision of the Basidiomycota. The class contains a single order, the Classiculales, which in turn contains the single family Classiculaceae. The family contains two monotypic genera. They belong to a morpholigical group called "aquatic hyphomycetes" which are fungi that grow on submerged decaying plant matter, but they are also found as mycoparasites and endophytes. This is only an informal descriptive group which is divided phylogenetically between asco types (the great majority) and basidio types (a small percentage of

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The Helicobasidiales are an order of fungi in the subdivision Pucciniomycotina. The order is currently monotypic, containing the single family Helicobasidiaceae which itself is monotypic, containing the single genus Helicobasidium. The anamorphic genus Tuberculina is a synonym of Helicobasidium, but species are not currently integrated in the latter genus.

The Classiculomycetes are a class of fungi in the Pucciniomycotina subdivision of the Basidiomycota. The class contains a single order, the Classiculales, which in turn contains the single family Classiculaceae. The family contains two monotypic genera. They belong to a morpholigical group called "aquatic hyphomycetes" which are fungi that grow on submerged decaying plant matter, but they are also found as mycoparasites and endophytes. This is only an informal descriptive group which is divided phylogenetically between asco types (the great majority) and basidio types (a small percentage of

The Melanotaeniaceae are a family of smut fungi in the order Ustilaginomycetes, containing three genera. It includes species such as smut fungus Melanotaenium cingens which was found parasitizing Linaria genistifolia (Plantaginaceae family) on Chornomorsky (Tendra Island, Kherson Oblast, Ukraine) in 2007.

The Georgefischeriaceae are a family of smut fungi in the Basidiomycota, class Exobasidiomycetes. Species in the family have a widespread distribution in both warm temperate areas and Old World tropical regions. The genus name of Georgefischeria is in honour of George William Fischer (1906 - 1995), an American botanist and phytopathologist, who wrote 'Manual of the North American smut fungi'.

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The Melaniellaceae are a family of fungi in the division Basidiomycota and order of Doassansiales. The family contains 1 genera and 2 species. They have a distribution in south and south-east Asia.

The Ceraceosorales are an order of smut fungi in the class Exobasidiomycetes. It is a monotypic order, consisting of a single family, the Ceraceosoraceae, which in turn contain a single monotypic genus, Ceraceosorus. C. bombacis is a fungus that infects the tree Bombax ceiba in India. This economically important tree is used as an ornamental tree. Ceraceosorales was circumscribed in 2006; the family Ceraceosoraceae was validated in 2009. C. bombacis was originally described as Dicellomyces bombacis in 1973, but B.K. Bakshi transferred it to the newly described Ceraceosorus three years later.

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Antherospora is a genus of fungal plant pathogens. They are smut fungi parasitising plants in the Scilloideae.

Volvocisporiaceae is a fungal family in the class Exobasidiomycetes. The family contains the single genus Volvocisporium, which in turn contains the single species Volvocisporium triumfetticola, found on the leaves of Triumfetta rhomboidea in India.

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Jamesdicksonia dactylidis is a species of fungus belonging to the family Georgefischeriaceae. It was originally published by Pass. as Thecaphora dactylidis in 1877, before being renamed as Jamesdicksonia dactylidis in 2001. It has a cosmopolitan distribution.

The Eballistraceae are a family of smut fungi in the Basidiomycota, class Exobasidiomycetes. This is a monotypic family, containing the single genus Eballistra, species of which have a widespread distribution in tropical regions.

Eballistra oryzae is a plant pathogen of rice also known as leaf smut.

Eballistra lineata is a fungal plant pathogen that causes stem smut in rice.

The Eballistraceae are a family of smut fungi in the Basidiomycota, class Exobasidiomycetes. This is a monotypic family, containing the single genus Eballistra, species of which have a widespread distribution in tropical regions.

The Cystobasidiales are an order of fungi in the class Cystobasidiomycetes. The order currently consists of a single family (Cystobasidiaceae) and two genera as yet unassigned to a family (Begerowomyces and Robertozyma). Many species in the Cystobasidiales are known only from their yeast states. Where known, basidiocarps (fruit bodies) have auricularioid (laterally septate) basidia and occur as parasites on or in the fruit bodies of other fungi.

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Basidiopycnis is a fungal genus in the family Hoehnelomycetaceae. The genus is monotypic, containing the single species Basidiopycnis hyalina. The species forms minute pycnidial basidiocarps (fruit bodies) in bark beetle tunnels. Teleomorphs produce auricularioid (laterally septate) basidia, whilst anamorphs produce asexual conidia. Basidiopycnis hyalina was described from Germany and is also known from Italy and Switzerland. Anamorphic fruit bodies collected in Canada were given the name Basidiopycnides albertensis, but are currently considered conspecific with the European species.