Spergularia marina inhabits the same habitats as spergularia media, and may be distinguished by its smaller flowers, coloured a richer shade of pink, by having petals shorter than the sepals, and for being more (glandular) hairy.
Main flower color:
All coastal regions of the British Isles
Up to 20 cm
Saltmarshes, towards the upper margins
Around 7 mm in diameter; five ovate petals, mostly deep pink though white towards the base, and five longer green sepals, with whitish margins. Sepals and stems have a covering of glandular hairs
Opposite, narrow, linear, thick, pointed at the tip
May to August