scleranthus annuus, convolvulus arvensis, agrostemma githago, arenaria serpyllifolia, centaurea cyanus, equisetum arvense, galeopsis angustifolia, odontites vernus, polycnemum majus, scandix pecten-veneris, trifolium arvense, agrostis stolonifera, alyssum alyssoides, filago lutescens, lysimachia vulgaris, rhinanthus alectorolophus, viola arvensis