Calamagrostis lapponica, (Wahlenb.) Hartman

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 : 238

10. C. lapponica (Wahlenb.) Hartman , Handb. Skand. FI. 46 (1820).

Laxly caespitose, with long rhizomes; stems 30-130 cm, erect, rather slender, with 2(-3) nodes, scabrid below panicle, smooth elsewhere. Leaves 10-30 cm x 2-6 mm, flat or involute, the upper surface weakly scabrid, often with short hairs; veins prominent but widely spaced; ligule 2-3(-6) mm, obtuse or lacerate. Panicle 5-15 cm, narrow, but often rather lax; branches aculeolate. Spikelets 4-8 mm, purplish or greenish-brown. Glumes subequal, ovate-lanceolate, weakly aculeolate on the keel, minutely scabrid elsewhere. Lemma irregularly truncate at apex; awn slightly bent and twisted, about as long as lemma, arising from lower | of lemma. Callus-hairs about as long as lemma. 2/i = 28, 42-112. Tundra, dry heaths and woods. N. Europe, southwards to C. Ural and to c. 62° N. in Norway. Fe No Rs (N, C) Su.