text: digitaria ischaemum, achillea millefolium, erigeron acris, gnaphalium sylvaticum, solidago canadensis, spergula arvensis, viola arvensis, agrostis stolonifera, anthemis arvensis, arnoseris minima, artemisia vulgaris, chenopodium album, descurainia sophia, echinochloa crus-galli, erodium cicutarium, lactuca serriola, plantago uliginosa, rumex acetosella, scleranthus annuus, tanacetum vulgare