Festuca arundinacea
 Festuca arundinacea (syn. Lolium arundinaceum Darbyshire; Schedonorus phoenix (Scop.) Holub) is a species of grass commonly known as tall fescue. It is a cool-season perennial C3 species of bunchgrass native to Europe. It is an important forage grass throughout Europe and many cultivars have been used in agriculture. It is also an ornamental grass in gardens and a phytoremediation plant. The predominant cultivar found in British pastures is S170 an endophyte-free variety.