''Urocystis alopecuri'' is a

fungal A fungus (: fungi , , , or ; 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 one of the tradit ...

plant pathogen Plant diseases are diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungi, oomycetes, bacteria, viruses, viroids, virus-like orga ...

in the family Urocystidiaceae. Known as 'Foxtail Smut'. It is found on ''

Alopecurus ''Alopecurus'', or foxtail grass, is a common and widespread genus of plants in the grass family. It is common across temperate and subtropical parts of Eurasia, northern Africa, and the Americas, as well as naturalized in Australia and on vari ...

'' species; such as ''

Alopecurus aequalis ''Alopecurus aequalis'' is a common species of grass known as shortawn foxtail or orange foxtail. It is native to much of the temperate Northern Hemisphere from Eurasia to North America. It is most commonly found in areas near fresh water, such a ...

'', ''

Alopecurus arundinaceus ''Alopecurus arundinaceus'', the creeping meadow foxtail or creeping foxtail, is a rhizomatous perennial species in the Grass family (Poaceae). Native to Eurasia and northern Africa, and widely introduced elsewhere, this sod forming grass is use ...

'', ''

Alopecurus geniculatus ''Alopecurus geniculatus'' is a species of grass known by the common name water foxtail or marsh foxtail. It is native to much of Eurasia and introduced into North America, South America, and Australia. It grows in moist areas. ''Alopecurus genic ...

'', ''

Alopecurus myosuroides ''Alopecurus myosuroides'' is an Annual plant, annual Poaceae, grass, native to Eurasia, found in moist meadows, Deciduous, deciduous forests, and on cultivated and waste land. It is also known as slender meadow foxtail, black-grass, twitch grass ...

'' and ''

Alopecurus pratensis ''Alopecurus pratensis'', known as the meadow foxtail or the field meadow foxtail, is a Perennial plant, perennial grass belonging to the grass family (Poaceae). It is native to Europe and Asia. This common plant is found on grasslands, especia ...

'' in Europe.

References

{{Taxonbar, from=Q10710542 Fungal plant pathogens and diseases Wheat diseases Ustilaginomycotina Fungi described in 1877 Fungus species