One of a number of cornfield and arable field weeds which have declined enormously in the last 100 years because of improved seed-cleaning techniques. Now virtually extinct, though occasionally sown in wild plant mixtures on roadsides. Probably of Mediterranean origin.
All names: Agrostemma githago L.; Lychnis githago (L.) Scop.; Githago segetum Link
NBN Atlas mapping: Species account : NBN Atlas UK Species Observations database
iNaturalist: Species account : iNaturalist World Species Observations database