Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Dikarya
Divisio: Ascomycota
Subdivisio: Pezizomycotina
Classis: Leotiomycetes
Ordo: Erysiphales
Familia: Erysiphaceae
Genus: Oidium
Species: O. abelmoschi – O. abortifaciens – O. anacardii – O. arachidis – O. candicans – O. caricae-papayae – O. carpini – O. chartarum – O. chrysanthemi – O. concentricum – O. cyparissiae – O. ericinum – O. haplophylli – O. hardenbergiae – O. helichrysi – O. heveae – O. hortensiae – O. laevisporum – O. lauracearum – O. lycopersici – O. mangiferae – O. neolycopersici – O. pullorum – O. sesami – O. tingitaninum
Unresolved names: Oospora astringens
Name
Oidium Link (1824)
Type Species: Oidium monilioides (Nees) Link (1824)
Synonymy
Oidium Link (1809)
Acrosporium Nees (1816)
Oideum Ehrenb. (1818)
Oospora Wallr. (1833)
Amphiblistrum Corda (1837)
Oidium Sacc. (1880)
Toruloidea Sumst. (1913)
Euoidium Y.S.Paul & J.N.Kapoor (1986)
Pseudoidium Y.S.Paul & J.N.Kapoor (1986)
References
Bisby FA, Roskov YR, Orrell TM, Nicolson D, Paglinawan LE, Bailly N, Kirk PM, Bourgoin T, Baillargeon G., eds (2009). Species 2000 & ITIS Catalogue of Life: 2009 Annual Checklist. Digital resource at www.catalogueoflife.org/annual-checklist/2009/. Species 2000: Reading, UK.
Oidium is a genus of Deuteromycetes, where traditionally most anamorphs of the order Erysiphales are included. Most of them are plant pathogens causing different forms of powdery mildew, for example:
Oidium alphitoides (= O. quercinum) = Microsphaera alphitoides (on oaks)
Oidium anacardii (= Acrosporium anacardii) (on cashew)
Oidium arachidis (on peanut)
Oidium asteris-punicei (= Erysiphe cichoracearum) (on mangos)
Oidium balsamii = Erysiphe verbasci (on mulleins)
Oidium begoniae (=O.cyclaminis, O.lini, O.violae) = Erysiphe polyphaga (on Valerianella, Calluna and Erica)
Oidium candicans (= Monilia candicans)
Oidium caricae (on papayas)
Oidium caricae-papayae (on papayas)
Oidium caricicola (on papayas)
Oidium chrysanthemi = Erysiphe cichoracearum (on numerous plant species, especially Asteraceae)
Oidium carpini
Oidium chartarum (= Torula chartarum)
Oidium cyparissiae (= Acrosporium cyparissiae) (on cypress)
Oidium erysiphoides = Sphaerotheca fuliginea (on melons, watermelons and cucumbers)
Oidium euonymi-japonicae (on spindle-trees)
Oidium farinosum = Podosphaera leucotricha (on apples)
Oidium fructigenum = Monilia fructigena (on Rosaceae)
Oidium helichrysi (on strawflowers)
Oidium heveae (on rubber tree)
Oidium hortensiae = Microsphaera polonica (on bear's breeches and hydrangea)
Oidium indicum (on papayas and other tropical fruits)
Oidium lauracearum (on laurel)
Oidium lini ( = Euoidium lini)(on flax)
Oidium lycopersicum (on tomatoes)
Oidium mangiferae
Oidium manihotis
Oidium monilioides (=O.tritici)= Blumeria graminis (on cereals)
Oidium neolycopersici (on tomatoes)
Oidium oxalidis = Microsphaera russellii (on sorrels)
Oidium papayae (on papayas)
Oidium pullorum
Oidium sesami
Oidium tingitaninum
Oidium tuckeri = Uncinula necator (on grapes)
Oidium albicans has been a parallel name of the yeast Candida albicans (not related to the powdery mildew).
Some other species of medical importance previously classified as Oidium include:
Oidium cutaneum = Trichosporon cutaneum (cause of some human fungal diseases)
Oidium lactis (=Oidium pulmoneum) = Geotrichum candidum (in soil, water and air, also belongs to normal human flora)
References
"Oidium Link, in Willdenow". Species Fungorum. CAB International. Retrieved 2014-01-19.
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