Description: This is the hybrid between perennial rye-grass (Lolium perenne) and meadow fescue (Festuca pratensis). It is quite frequent and is recorded from many places in Northern Ireland.

All names: Festuca pratensis x Lolium perenne (x Festulolium loliaceum) (Hudson) P.Fourn; Festuca x Festulolium loliaceum (Hudson) P.Fourn; Festuca pratensis x Lolium perenne; Festulolium loliaceum (Huds.) P.Fourn.

Distribution Map from NBN: Festuca pratensis x Lolium perenne at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Festuca pratensis x Lolium perenne at iNaturalist World Species Observations database.