convolvulus arvensis, artemisia vulgaris, equisetum arvense, elymus repens, lactuca serriola, rumex acetosella, tripleurospermum inodorum, tussilago farfara, achillea millefolium, chenopodium album, cirsium arvense, diplotaxis muralis, erigeron canadensis, gnaphalium sylvaticum, polygonum aviculare