plantago major, symphyotrichum squamatum, bidens tripartita, cyperus eragrostis, paspalum distichum, dysphania ambrosioides, gnaphalium uliginosum, poa annua, digitaria sanguinalis, echinochloa crus-galli, persicaria hydropiper, persicaria lapathifolia, rorippa palustris, verbena officinalis