Intertaxon relationships
species
Cereal Rye
Secale cereale L.
Blumeria graminis (DC.) Speer - Powdery Mildew of Cereals and Grasses
Claviceps purpurea (Fr.) Tul. - Ergot 
Monographella nivalis (Schaffnit) E. Müll. - Snow Blight of Cereals
Phaeosphaeria nodorum (E. Müll.) Hedjar.
Puccinia graminis Pers. - Stem Rust of Grain
Puccinia recondita Roberge ex Desm. - Leaf Rust of Rye
Puccinia striiformis Westend. - Striperust
Rhynchosporium secalis (Oudem.) Davis - Leaf Blotch
Dolerus niger (Linnaeus, 1767)