Key to Wisconsin Hordeum

Authors: Robert W. Freckmann, John G. Zaborsky, Emmet J. Judziewicz

• 1a.Bodies of lemmas 8–10 mm long; leaf with auricles at base of blade, glabrous; rachis not disarticulating at maturity H. vulgare

• 1b.Bodies of lemmas 3–6 mm long; leaf lacking auricles, hairy; rachis disarticulating at maturity 2

• 2a.Awns 3–5 cm long H. jubatum

• 2b.Awns up to 1 cm long H. pusillum