Bromus alopecuros subsp. alopecuros

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1980, Flora Europaea. Volume 5. Alismataceae to Orchidaceae (Monocotyledones), Cambridge: Cambridge University Press : 188

(a) Subsp. alopecuros :

Stems 20-80 cm. Spikelets often 3 at each node; lemma 10-15 mm, with broadly triangular teeth at the apex. Anthers 0-5-1 mm. Throughout the range ofthe species.