This species is amongst the foodplants of the caterpillars of the Meadow Brown (Maniola jurtina) and Gatekeeper (Pyronia tithonus) butterflies; the Common Sun Beetle (Amara aenea) (adults feed on the developing seeds), Eupelix cuspidata of the leafhopper family, and Myrmus miriformis, a grassbug (feeds on young blades and developing seeds).
The food plant of the caterpillars of small heath Coenonympha pamphilus, Meadow Brown Maniola jurtina, Gatekeeper Butterfly butterflies; Common Sun beetle Amara aenea - adults feed on the developing seeds, Eupelix cuspidata of the leafhopper family, and Myrmus miriformis a grassbug - feeds on young blades and developing seeds.