lepidium ruderale, chenopodium album, plantago major, poa annua, sonchus oleraceus, achillea millefolium, agrostis capillaris, artemisia vulgaris, cichorium intybus, elymus repens, erigeron canadensis, hordeum murinum, lolium perenne, polygonum aviculare, senecio viscosus, senecio vulgaris