text: beta vulgaris, amaranthus retroflexus, chenopodium album, helminthotheca echioides, solanum nigrum, calystegia sepium, convolvulus arvensis, cuscuta europaea, cynodon dactylon, daucus carota, digitaria sanguinalis, echinochloa crus-galli, elymus repens, matricaria chamomilla, medicago sativa, phragmites australis, plantago lanceolata, polygonum aviculare, portulaca oleracea, rapistrum rugosum, rumex crispus, setaria viridis, sonchus arvensis, sonchus oleraceus, lolium perenne, rumex obtusifolius