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).
Poa | Salvia pratensis | Cardamine pratensis | Succisa pratensis | Poa secunda | Poa pratensis | Poa glauca | Poa compressa | lady's smock(''Cardamine pratensis'') | Poa flabellata | Poá | Mined mined leaf of ''Salvia pratensis |
It is a common grass on grassy balds in the southern Appalachians, where it occurs with redtop (Agrostis alba), timothy (Phleum pratense), Canada bluegrass (Poa compressa), Kentucky bluegrass (P. pratensis), red fescue (Festuca rubra), five-fingers (Potentilla canadensis), and sheep sorrel (Rumex acetosella).