arctotheca calendula, bellis perennis, hordeum murinum, lolium perenne, plantago lanceolata, poa annua, medicago polymorpha, rumex pulcher, soliva sessilis, veronica arvensis, bromus hordeaceus, bromus sterilis, capsella bursa-pastoris, crepis vesicaria, geranium molle, malva sylvestris, ranunculus bulbosus, sisymbrium officinale, urtica dioica