Silene nocturna subsp. nocturna

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 : 179

(a) Subsp. nocturna :

Plant usually fairly sparsely pubescent below. Flowers strict. Calyx-teeth usually triangular-acuminate or lanceolate and acute. Filaments glabrous. Seeds 0-5-0- 7 mm, blackish. Throughout the range o f the species.

S. reflexa (L.) Aiton fil. in Aiton, Hort. Kew. ed. 2,3: 86 (1811), non Moench, is probably a cleistogamous variant of 151 (a).