secale cereale, centaurea cyanus, delphinium consolida, lysimachia arvensis, papaver rhoeas, achillea millefolium, apera spica-venti, arenaria serpyllifolia, capsella bursa-pastoris, caucalis platycarpos, convolvulus arvensis, erigeron canadensis, erysimum cheiranthoides, euphorbia helioscopia, fallopia convolvulus, geranium pusillum, medicago lupulina, myosotis stricta, neslia paniculata, odontites vernus, polygonum aviculare, roemeria argemone, sinapis arvensis, sonchus asper, trifolium campestre, veronica persica, vicia hirsuta, viola arvensis, agrostemma githago