echinochloa crus-galli, panicum dichotomiflorum, atriplex patula, setaria pumila, agrostis stolonifera, calystegia sepium, argentina anserina, centaurea jacea, equisetum arvense, galinsoga parviflora, plantago major, solanum nigrum, stellaria graminea, urtica dioica, ajuga reptans, amaranthus powellii, ranunculus repens, stellaria aquatica