Intertaxon relationships
species
Phaeosphaeria nodorum (E. Müll.) Hedjar.
Hordeum vulgare L. - Six-rowed Barley 
Secale cereale L. - Cereal Rye
Triticum aestivum L. - Bread Wheat
× Triticosecale rimpaui Wittm. ex A. Camus
species