Stellaria longifolia, Muhl. ex Willd.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 135

14. S. longifolia Muhl. ex Willd. , Enum. Pl. Hort. Berol. 479 (1809).

Creeping perennial; stems 5-25 cm, ascending, branched, quadrangular; angles of upper part of stem, margins o f leaves and under side of midrib rough with small papillae. Leaves 5-40 mm, linear-lanceolate to linear. Inflorescence many-flowered; bracts scarious, often with green midrib. Sepals 2-4 mm, glabrous; petals equalling sepals. Ripe capsule slightly exceeding sepals. C. Europe; Fennoscandia; C. & N. Russia. Au Cz Fe Ge He It No Po Rm Rs (N, B, C, W, E) Su.

In the opinion of some authors the plants from Europe and Asia are distinct from S. longifolia from North America. They have been called S. diffusa Schlecht. , Ges. Nat. Freunde Berlin Mag. 7: 195 (1815), but the characters used for separating them are unreliable.