Powdery mildew

R Rhizopogon Rhizopogon R Rhizopogon luteolus Rhizopogon luteolus R Rhizopogon reticulatus Rhizopogon reticulatus R Rose-colored Rhizopogon Rhizopogon roseolus R Rhizopogon vulgaris Rhizopogon vulgaris R Rhizopogonaceae fungi Rhizopogonaceae R Rhizopus microsporus Rhizopus microsporus R Rhizopus rot Rhizopus oryzae R Rhizopus soft rot Rhizopus sexualis R Rhizosphaera needle cast Rhizosphaera R Rhizosphaera needle cast Rhizosphaera kalkhoffii R Rhizosphaera needle cast Rhizosphaera pini R Rhodocollybia Rhodocollybia S Spotted toughshank Rhodocollybia maculata R Rhodocybe Rhodocybe R Rhodocybe caelata Rhodocybe caelata R Rhodomonas Rhodomonas R Rhodomonas lacustris Rhodomonas lacustris R Rhodonia Rhodonia R Rhodonia placenta Rhodonia placenta R Rhodophyllus Rhodophyllus R Rhodosporidium infection Rhodosporidium R Rhodosporidium toruloides Rhodosporidium toruloides R Rhodotorula Rhodotorula R Rhodotorula glutinis Rhodotorula glutinis R Rhodotorula gracilis Rhodotorula gracilis R Rhodotorula mucilaginosa Rhodotorula mucilaginosa R Rhodotus Rhodotus R Rhopalodia Rhopalodia R Rhopalodia gibba Rhopalodia gibba R Rhopalodiaceae algae Rhopalodiaceae R Rhopalodiales Rhopalodiales R Rhopalomycosis Rhopalomyces R Rhopographus disease Rhopographus R Rhopographus fern blight Rhopographus filicinus R Rhynchobrunnera orthospora Rhynchobrunnera orthospora R Rhynchogastrema Rhynchogastrema R Rhynchogastrema coronatum Rhynchogastrema coronatum R Rhynchogastremataceae Rhynchogastremataceae R Rhynchosphaeria blight Rhynchosphaeria R Rhynchosphaeria dusenii Rhynchosphaeria dusenii B Barley scald Rhynchosporium graminicola R Rhytidiella Rhytidiella R Rhytidiella baranyayi Rhytidiella baranyayi R Rhytisma Rhytisma A Andromeda tar spot Rhytisma andromedae W Willow tar spot Rhytisma filamentosum H Himalayan tar spot Rhytisma himalense W Willow tar spot Rhytisma salicinum R Rhytisma umbonatum Rhytisma umbonatum R Rhytisma leaf spot of grape Rhytisma vitis R Rhytismataceae fungi Rhytismataceae R Rhytismatales fungi Rhytismatales R Rice black-streaked dwarf Rice spp. R Rice-root nematode Hirschmanniella spp. R Rice stripe Rice stripe R Rickenella Rickenella R Rickenella fibula Rickenella fibula R Rickenellaceae Rickenellaceae R Rigidoporus Rigidoporus