Bromus inermis is a species of the true grass family (Poaceae). This rhizomatous grass is native to Europe and North America. The plant is characterized by an erect, leafy, long-lived perennial, tall, rhizomatous and commonly producing a dense sod. It starts growth in early spring; flowers May to July; reproduces from seeds, tillers, and rhizomes. It may regrow and re flower in the fall if moisture is sufficient. The leaves are glabrous or occasionally pubescent, particularly on the sheaths; blades long, wide, flat, with a raised and keeled midrib below; sheaths closed, except near collar, and papery when dry; leaves rolled in the bud; ligates up to long, rounded, and membranous; auricles absent. Common names Bromus inermis subsp. inermis Austrian bromegrass – English awnless brome – English Hungarian brome – English Hungarian bromegrass – English Russian bromegrass – English smooth brome – English smooth bromegrass – English brome inerme – French brome sans arêtes – French unbegrannte Trespe – German wehrlose Trespe – German capim-cevadilha – Portuguese bromo de Hungría – Spanish bromo inerme – Spanish Bromus inermis subsp. pumpellianus Arctic brome – English Pumpelly's brome – English References GBIF entry: Bromus inermis External links Bromus inermis Photos, drawings, description from Nature Manitoba inermis Flora of Europe Flora of North America Bunchgrasses of Europe Bunchgrasses of North America