persicaria lapathifolia, sonchus asper, amaranthus powellii, anacyclus clavatus, atriplex prostrata, dysphania ambrosioides, populus nigra, amaranthus albus, amaranthus deflexus, amaranthus emarginatus, convolvulus arvensis, datura stramonium, echinochloa crus-galli, eragrostis pectinacea, erigeron canadensis, lycopus europaeus, lythrum salicaria, mentha pulegium, paspalum distichum, persicaria maculosa, portulaca oleracea, salix fragilis, solanum nigrum, symphyotrichum squamatum, xanthium strumarium