Stellaria flaccida
Leaves ovate to very narrow-ovate, very acute, often with undulate margins, rarely exceeding 12 mm long; appearing petiolate. Stems glabrous or almost so except at the nodes. Sepals 4–5 mm long. Petals somewhat longer. Capsule ovoid, usually exceeding the sepals. Stems often very long. Widespread. Margins of RF. Fl. spring–summer