Not an accepted name (status: unknown). No accepted name is recorded for it yet.

Festulolium nilssonii Cugnac & A.Camus 0% complete

No common name

Cugnac AD, Camus A (1944) Un × Festulolium expérimental nouveau: Festulolium Colini = Lolium temulentum × Festuca pratensis. Bulletin de la Société Botanique de France 91: 16-19. doi: 10.1080/00378941.1944.10834307.

There is no corrections for Festulolium nilssonii yet.