lolium perenne, capsella bursa-pastoris, poa annua, polygonum aviculare, anthemis arvensis, arenaria serpyllifolia, bombycilaena erecta, centaurea calcitrapa, convolvulus arvensis, herniaria glabra, hordeum murinum, plantago lanceolata, sisymbrium officinale, taraxacum pyropappum