''Ramularia'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

ascomycete Ascomycota is a phylum of the kingdom Fungi that, together with the Basidiomycota, forms the subkingdom Dikarya. Its members are commonly known as the sac fungi or ascomycetes. It is the largest phylum of Fungi, with over 64,000 species. The def ...

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

. Its species, which are

anamorph In mycology, the terms teleomorph, anamorph, and holomorph apply to portions of the life cycles of fungi in the phyla Ascomycota and Basidiomycota: *Teleomorph: the sexual reproductive stage (morph), typically a fruiting body. *Anamorph: an ase ...

s of the genus ''

Mycosphaerella ''Mycosphaerella'' is a genus of ascomycota. With more than 10,000 species, it is the largest genus of plant pathogen fungi. The following introduction about the fungal genus ''Mycosphaerella'' is copied (with permission) from the dissertation ...

'', are

plant pathogens 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 ...

. Economically important host species include '' Narcissus,''

sugar beet A sugar beet is a plant whose root contains a high concentration of sucrose and that is grown commercially for sugar production. In plant breeding, it is known as the Altissima cultivar group of the common beet (''Beta vulgaris''). Together with ...

, and

barley Barley (), a member of the grass family, is a major cereal grain grown in temperate climates globally. It was one of the first cultivated grains; it was domesticated in the Fertile Crescent around 9000 BC, giving it nonshattering spikele ...

. ''Ramularia'' species are

hyphomycetes Hyphomycetes are a form classification of fungi, part of what has often been referred to as fungi imperfecti, Deuteromycota, or anamorphic fungi. Hyphomycetes lack closed fruit bodies, and are often referred to as moulds (or molds). Most hypho ...

with simple morphology; other genera are frequently mistaken for ''Ramularia''. , almost 800 species are recognised in the genus ''Ramularia''.

Selected species

There are almost a 900 species accepted in the genus ''Ramularia'', including: * '' Ramularia beticola'' * '' Ramularia brunnea'' * '' Ramularia coryli'' * ''

Ramularia cyclaminicola ''Ramularia cyclaminicola'' is a species of fungus in the family Mycosphaerellaceae. It is a plant pathogen that infects cyclamen ''Cyclamen'' ( or ) is a genus of 23 species of perennial flowering plants in the family Primulaceae. In Engl ...

'' * ''

Ramularia gossypii ''Mycosphaerella areola'' is a plant pathogen infecting cotton. See also * List of ''Mycosphaerella'' species References areola The human areola (''areola mammae'', or ) is the pigmented area on the breast around the nipple. More gene ...

'' * '' Ramularia grevilleana'' * ''

Ramularia macrospora ''Ramularia macrospora'' 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 organi ...

'' * ''

Ramularia menthicola ''Ramularia menthicola'' is a species of fungus in the family Mycosphaerellaceae. It is a plant pathogen that infects mint. It was formally described as a new species by the Italian mycologist Pier Andrea Saccardo in 1886. In his 1998 monograph ...

'' * ''

Ramularia necator ''Ramularia necator'' 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 ...

'' * ''

Ramularia primulae ''Ramularia primulae'' is a fungal plant pathogen infecting ''Primula''. Its primary host is ''Primula veris ''Primula veris'', the cowslip, common cowslip, or cowslip primrose (syn. ''Primula officinalis'' John Hill (author), ), is a herbaceo ...

'' * ''

Ramularia rubella ''Ramularia rubella'' is a plant pathogen in Ascomycota that infects ''Rumex'' species. Infection produces reddish spots on leaves. The red color is caused by the production of rubellin, a photodynamic anthraquinone-derived phytotoxin. ''R. rubel ...

'' * ''

Ramularia spinaciae ''Ramularia spinaciae'' is a fungal plant pathogen in the species Mycosphaerellaceae infecting spinach Spinach (''Spinacia oleracea'') is a leafy green flowering plant native to Central Asia, Central and Western Asia. It is of the order Caryo ...

'' * ''

Ramularia subtilis ''Ramularia subtilis'' is a fungus A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. ...

'' * ''

Ramularia tenella ''Ramularia tenella'' is a fungus A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. T ...

'' * ''

Ramularia ulmariae ''Ramularia ulmariae'' is a fungal species described by Cooke in 1876. ''Ramularia ulmariae'' belongs to the genus ''Ramularia'' and the family Mycosphaerellaceae. No subspecies are listed in the Catalog of Life.''Species Fungorum''. Kirk P.M., 2 ...

'' * ''

Ramularia vallisumbrosae ''Ramularia vallisumbrosae'' 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 or ...

Selected species

References

Further reading