artemisia vulgaris, tanacetum vulgare, achillea millefolium, centaurea oxylepis, arabidopsis arenosa, chenopodium album, epilobium ciliatum, erysimum cheiranthoides, galinsoga parviflora, linaria vulgaris, lolium multiflorum, medicago lupulina, medicago sativa, oxalis stricta, persicaria lapathifolia, plantago lanceolata, plantago major, poa annua, polygonum aviculare, senecio viscosus, sonchus oleraceus, trifolium repens, tripleurospermum inodorum, tussilago farfara, urtica dioica