erigeron canadensis, daucus carota, foeniculum vulgare, helminthotheca echioides, hypochaeris radicata, lotus rectus, lotus tenuis, medicago lupulina, symphyotrichum squamatum, verbena officinalis, apium graveolens, cirsium vulgare, dipsacus fullonum, dysphania ambrosioides, eupatorium cannabinum, holcus lanatus, hypericum perforatum, malva multiflora, piptatherum miliaceum, plantago lanceolata, polygonum aviculare, urtica dioica