B
Bentgrass dead spot
Ophiosphaerella agrostis
Ophiosphaerella agrostis
Bermudagrass decline
Gaeumannomyces graminis
Gaeumannomyces graminis
Brown patch
Rhizoctonia solani
Rhizoctonia solani
Brown ring patch
Waitea circinata
Waitea circinata
C
Cool weather brown patch
Copper spot
Gloeocercospora sorghi
Gloeocercospora sorghi
Coprinus snow mold
Coprinus psychrombidus
Coprinus psychrombidus
Crown rot
Phytophthora
Phytophthora
F
Fairy ring
Lycoperdon spp., agrocybe pediades, and bovistra plumbea
Lycoperdon spp., agrocybe pediades, and bovistra plumbea
Fusarium blight
Fusarium oxysporum
Fusarium oxysporum
Fusarium patch
Microdochium nivale
Microdochium nivale
P
Pink patch
Limonomyses roseipelli
Limonomyses roseipelli
Pink snow mold
Microdochium nivale
Microdochium nivale
Poa patch
Magnaporthe poae
Magnaporthe poae
Powdery mildew
Erysiphe graminis
Erysiphe graminis
Powdery mildew rusts
Pythium blight
Pythium aphanidermatum
Pythium aphanidermatum
Pythium root dysfunction
Pythium volutum
Pythium volutum
Pythium root rot
Pythium spp.
Pythium spp.
R
Red thread
Laetisaria fuciformis
Laetisaria fuciformis
Rhizoctonia large patch
Rhizoctonia solani
Rhizoctonia solani
Rhizoctonia leaf blight
Rhizoctonia zeae
Rhizoctonia zeae
Rust
Pucciniales
Pucciniales