Powdery mildew

R Remotididymella destructiva Remotididymella destructiva R Repetophragma infection Repetophragma R Repetophragma biseptatum Repetophragma biseptatum R Replant disease Fungi and R Requienella Requienella R Requienella alaterni Requienella alaterni R Requienellaceae Requienellaceae R Resinicium Resinicium R Resinomycena Resinomycena R Resupinatus Resupinatus R Reticulascaceae Reticulascaceae L Larch needle cast Rhabdocline laricis R Rhabdocline needle cast Rhabdocline spp. D Douglas fir needle cast Rhabdocline pseudotsugae R Rhabdocline needle cast Rhabdocline weirii R Rhabdonema disease Rhabdonema R Rhabdonema arcuatum Rhabdonema arcuatum R Rhabdonematales Rhabdonematales R Rhabdospora leaf spot Rhabdospora R Rhabdospora leaf spot Rhabdospora oudemansii L Lettuce necrotic yellows Lettuce necrotic R Rhacodiella Rhacodiella R Rhacodiella vitis Rhacodiella vitis R Rhagadolobium Rhagadolobium R Rhagadolobium dicksoniifolium Rhagadolobium dicksoniifolium R Rhamphospora Rhamphospora N Nymphaea smut Rhamphospora nymphaeae R Rhamphosporosis Rhamphosporaceae R Rhexocercosporidium leaf spot Rhexocercosporidium R Rhexocercosporidium leaf spot of ginseng Rhexocercosporidium panacis R Rhipidiaceae fungi Rhipidiaceae R Rhipidiales infection Rhipidiales R Rhizidiomycetaceae Rhizidiomycetaceae R Rhizina root rot Rhizina R Rhizina root disease Rhizina undulata R Rhizina root rot Rhizinaceae R Rhizocarpaceae Rhizocarpaceae R Rhizocarpon Rhizocarpon R Rhizocarpon geminatum Rhizocarpon geminatum R Rhizochrysidales Rhizochrysidales R Rhizochrysis Rhizochrysis R Rhizochrysis limnetica Rhizochrysis limnetica R Rhizoctonia leaf spot Rhizoctonia anceps R Rhizoctonia root rot of conifers Rhizoctonia butinii S Sharp eyespot Rhizoctonia cerealis R Rhizoctonia damping off Thanatephorus cucumeris S Strawberry root rot Rhizoctonia fragariae R Rhizoctonia fusispora blight Rhizoctonia fusispora R Rice sheath spot Rhizoctonia oryzae-sativae C Cocoa rhizoctonia Rhizoctonia theobromae T Tulip gray bulb rot Rhizoctonia tuliparum R Rhizodiscina Rhizodiscina R Rhizodiscina lignyota Rhizodiscina lignyota R Rhizodiscinaceae Rhizodiscinaceae R Rhizoglomus Rhizoglomus R Rhizoglomus fasciculatum Rhizoglomus fasciculatum R Rhizoglomus intraradices Rhizoglomus intraradices R Rhizomucor Rhizomucor R Rhizomucor pusillus Rhizomucor pusillus R Rhizophydiales fungi Rhizophydiales