echinochloa crus-galli, amaranthus retroflexus, persicaria lapathifolia, tripleurospermum inodorum, hypericum perforatum, rorippa sylvestris, agrostis stolonifera, capsella bursa-pastoris, chenopodium album, digitaria sanguinalis, galinsoga parviflora, galinsoga quadriradiata, lipandra polysperma, plantago major, poa annua, setaria pumila, populus tremula