amaranthus cruentus, bidens frondosa, galinsoga quadriradiata, persicaria lapathifolia, persicaria maculosa, persicaria mitis, sinapis arvensis, solanum nigrum, acalypha virginica, barbarea vulgaris, chenopodium album, lythrum salicaria, panicum capillare, arctium minus, artemisia verlotiorum, calystegia sepium, digitaria sanguinalis, poa annua, portulaca oleracea, saponaria officinalis, senecio vulgaris, setaria pumila, setaria viridis, sonchus oleraceus, stellaria aquatica, stellaria media, trifolium pratense, urtica dioica, veronica persica, euphorbia prostrata, oxalis stricta, paspalum distichum, plantago major, sambucus nigra