convolvulus arvensis, cynodon dactylon, echinochloa crus-galli, galinsoga parviflora, setaria pumila, amaranthus retroflexus, bidens tripartita, digitaria sanguinalis, erigeron canadensis, hibiscus trionum, persicaria lapathifolia, plantago major, sambucus ebulus, sonchus oleraceus, verbena officinalis