You searched for Aira alpina, this may mean;

Aira alpina L., Sp. Pl. 1: 65 (1753) vide Deschampsia cespitosa subsp. cespitosa autonym

Aira alpina Hegetschw., Fl. Schweiz: 71 (1838), nom. illeg. hom. vide Deschampsia cespitosa subsp. cespitosa autonym

Aira alpina Lilj., Utkast Sv. Fl.: 49 (1792), nom. illeg. hom. vide Anthoxanthum monticola (Bigelow) Veldkamp, Blumea 30: 347. (1985)

Aira alpina Savi, Bot. Etrusc. 1: 52 (1815), nom. illeg. hom. vide Deschampsia media (Gouan) Roem. & Schult., Syst. Veg., ed. 15[bis]. 2: 687. (1817)

Aira alpina Sobol. ex Rupr., Beitr. Pflanzenk. Russ. Reiches 4: 37 (1845), nom. illeg. hom. vide Avenella flexuosa subsp. flexuosa autonym

Aira alpina Vahl, in G.C.Oeder & al. (eds.), Fl. Dan.: t. 961 (1790), nom. illeg. hom. Vahlodea atropurpurea (Wahlenb.) Fr., Bot. Not. 1842: 178 (1842)