1493 Centaurium littorale (Tum.) Gilm.

Syn.: C. vulgare Rafn

This polymorphic species (incl. C. glomeratum [Wittr.] R. & Br.) is restricted to N., C. and E. Europe. Subsp. littorale is mainly a sea-shore plant, while subsp. uliginosum (Waldst. & Kit.) Meld. occurs on saline inland ground. Cf. also Meusel et al. 1978, map p. 349.