galinsoga parviflora, matricaria discoidea, matricaria chamomilla, plantago major, cichorium intybus, erigeron canadensis, galinsoga quadriradiata, polygonum aviculare, sonchus oleraceus, cirsium arvense, daucus carota, poa annua, poa pratensis, sonchus arvensis, dactylis glomerata, phleum pratense, trifolium pratense, trifolium repens, linaria vulgaris, solidago gigantea