matricaria discoidea, poa annua, agrostis stolonifera, capsella bursa-pastoris, erigeron canadensis, galinsoga parviflora, juncus tenuis, lolium perenne, matricaria chamomilla, persicaria mitis, plantago lanceolata, plantago major, polygonum aviculare, sisymbrium officinale, urtica dioica, verbena officinalis