polygonum aviculare, amaranthus retroflexus, amaranthus albus, chenopodium album, echinochloa crus-galli, eleusine indica, erigeron canadensis, galinsoga parviflora, helianthus tuberosus, juncus compressus, matricaria chamomilla, oxalis corniculata, plantago major, poa annua, sonchus arvensis, sonchus oleraceus