buglossoides arvensis, caucalis platycarpos, centaurea scabiosa, cirsium arvense, conringia orientalis, draba verna, euphorbia cyparissias, fallopia convolvulus, fumaria officinalis, galium aparine, legousia hybrida, papaver rhoeas, poa pratensis, ranunculus arvensis, scandix pecten-veneris, silene dioica, veronica agrestis, veronica arvensis, vicia sativa, viola tricolor