brassica oleracea, galinsoga quadriradiata, cerastium arvense, amaranthus retroflexus, chenopodium album, artemisia annua, convolvulus arvensis, echinochloa crus-galli, equisetum arvense, erigeron canadensis, galinsoga parviflora, gnaphalium uliginosum, lipandra polysperma, oxalis stricta, persicaria lapathifolia, ranunculus repens, rorippa sylvestris, senecio vernalis, setaria pumila, sonchus arvensis, stachys palustris