268 Bromus inermis Leyss.

This polymorphic, widespread species has a Eurasiatic origin. It has been introduced as a fodder grass into Fennoscandia, E. Asia and N. America. Nowadays it has a circumpolar distribution (Hultén, Circumpol. I, p. 212 and map 202). Cf. also Meusel et al. 1965, map p. 42.