text: polygonum aviculare, sisymbrium altissimum, sisymbrium officinale, capsella bursa-pastoris, chenopodium album, achillea millefolium, elymus repens, aethusa cynapium, agrostis stolonifera, anchusa officinalis, bromus hordeaceus, convolvulus arvensis, erigeron canadensis, fallopia convolvulus, hordeum murinum, lamium album, lolium perenne, plantago lanceolata, rumex crispus, senecio viscosus, sonchus oleraceus, urtica dioica