cannabis sativa, arctium lappa, erigeron canadensis, polygonum aviculare, amaranthus retroflexus, arctium tomentosum, artemisia annua, atriplex sagittata, chelidonium majus, galinsoga quadriradiata, lamium album, malva sylvestris, melilotus albus, poa annua, silene latifolia, tanacetum vulgare, tortula truncata, urtica dioica