papaver rhoeas, apera spica-venti, buglossoides arvensis, centaurea cyanus, poa trivialis, vicia hirsuta, aphanes microcarpa, arenaria serpyllifolia, atriplex patula, capsella bursa-pastoris, chenopodium album, cirsium arvense, convolvulus arvensis, equisetum arvense, galium aparine, galium spurium, lysimachia arvensis, myosotis arvensis, ranunculus arvensis, stellaria media, valerianella locusta, veronica arvensis, veronica persica, vicia sativa, viola arvensis, valerianella dentata