''Erysiphe'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

fungi A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from ...

in the family

Erysiphaceae Erysiphales are an order of ascomycete fungi. The order contains one family, Erysiphaceae. Many of them cause plant diseases called powdery mildew. Systematics The order contains one family (Erysiphaceae), 28 genera and approximately 100 speci ...

. Many of the

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

in this genus are plant pathogens which cause

powdery mildew Powdery mildew is a fungal disease that affects a wide range of plants. Powdery mildew diseases are caused by many different species of ascomycete fungi in the order Erysiphales. Powdery mildew is one of the easier plant diseases to identify, a ...

Species

This genus includes, but is not limited to the following species: * ''

Erysiphe alphitoides ''Erysiphe alphitoides'' is a species of fungus which causes powdery mildew on oak trees. Discovery and taxonomy Today oak powdery mildew is one of the most common diseases in European forests but it is thought to not always have been present ...

'' * '' Erysiphe azerbaijanica'' * '' Erysiphe betae'' * '' Erysiphe brunneopunctata'' * ''

Erysiphe cichoracearum ''Erysiphe cichoracearum'' is a fungal plant pathogen that causes powdery mildew disease of cucurbits, including melon, cucumber, pumpkin, and squash. The primary symptoms are white, powder-like spots on the leaves and stems. ''Sphaerotheca fu ...

'' * '' Erysiphe communis'' * ''

Erysiphe cruciferarum ''Erysiphe cruciferarum'' is a plant pathogen of the family Erysiphaceae, which causes the main powdery mildew of crucifers, including on ''Brassica'' crops, such as cauliflower, cabbage, broccoli, and Brussels sprouts. ''E. cruciferarum'' is d ...

'' * ''

Erysiphe fernandoae ''Erysiphe'' is a genus of fungi in the family Erysiphaceae. Many of the species in this genus are plant pathogens which cause powdery mildew. Species This genus includes, but is not limited to the following species: * ''Erysiphe alphitoides'' ...

'' * '' Erysiphe flexuosa'' * '' Erysiphe heraclei'' * '' Erysiphe lespedezae'' 1. Xiao, Y.-T., C.-J. Wang, T.-C. Huang, and Y.-M. Shen. 2020. Erysiphe lespedezae causing powdery mildew on Bauhinia variegata, B. blakeana and Desmodium caudatum in Taiwan. Forest Pathology 50(5):e12631. * '' Erysiphe michikoae'' * '' Erysiphe nitida * ''

Erysiphe pisi ''Erysiphe pisi'' is a plant pathogen that causes powdery mildew on several plant species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is ofte ...

'' * ''

Erysiphe polygoni ''Erysiphe betae'' is a plant pathogen. It is a form of powdery mildew Powdery mildew is a fungal disease that affects a wide range of plants. Powdery mildew diseases are caused by many different species of ascomycete fungi in the order Ery ...

'' * ''

Erysiphe robiniae ''Erysiphe'' is a genus of fungi in the family Erysiphaceae. Many of the species in this genus are plant pathogens which cause powdery mildew. Species This genus includes, but is not limited to the following species: * ''Erysiphe alphitoides'' ...

'' * ''

Erysiphe syringae Powdery mildew of lilac, or ''Erysiphe syringae'' (formerly ''Microsphaera syringae'') is a fungal pathogen of lilacs. Importance The host of the fungal pathogen, ''Syringa vulgaris'' or the common lilac, is an ancient plant with significance ...

Former species

* ''

Blumeria graminis ''Blumeria graminis'' (commonly called barley powdery mildew or corn mildew) is a fungus that causes powdery mildew on grasses, including cereals. It is the only species in the genus ''Blumeria''. It has also been called ''Erysiphe graminis'' and ...

'' * ''

Uncinula necator ''Uncinula necator'' (syn. ''Erysiphe necator'') is a fungus that causes powdery mildew of grape. It is a common pathogen of Vitis species, including the wine grape, ''Vitis vinifera''. The fungus is believed to have originated in North America ...

References

Fungal plant pathogens and diseases Leotiomycetes genera {{Leotiomycetes-stub