Trisetum flavescens subsp. flavescens

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 : 223

(a) Subsp. flavescens :

Leaves usually less than 5 mm wide. Panicle more or less lax, yellowish at maturity. Spikelets up to 7-5 mm, usually with 2-4 florets. 2« = 28. Throughout the range of the species.