Trisetum spicatum subsp. ovatipaniculatum, Hulten ex Jonsell

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 : 222-223

(b) Subsp. ovatipaniculatum Hultén ex Jonsell , Svensk Bot. Tidskr.69 '. 132(1975):

Up to c. 20 cm. Leaves and sheathsalmost glabrous. Panicle 1 -5-3 xc. 1 cm, ovoid, brownish to purplish. Glumes scabridulous on the keel, otherwise smooth; upper glume ovate, gradually tapered, slightly shorter than florets. Lemma nearly smooth. 2/2 = 28. Alps and Pyrenees.

(c) Subp. pilosiglume (Fernald) Hultén, op. cit. 53: 215 (1959): Up to 40 cm. Leaves moderately to densely pubescent. Sheaths villous. Panicle 3-6 x 0-5-1 cm, often narrowly cylindrical, sometimes interrupted,greenish to pale violet (very seldom dark).

Glumes scabridulous to densely pubescent; upper glume gradually tapered, equalling or slightly shorter than florets Lemma scabridulous to pubescent. 2«=42. Iceland. (Greenland, North America.)