amaranthus retroflexus, echinochloa crus-galli, sonchus asper, chenopodium album, galinsoga parviflora, mercurialis annua, arctium lappa, artemisia vulgaris, capsella bursa-pastoris, equisetum arvense, euphorbia helioscopia, papaver rhoeas, persicaria lapathifolia, phragmites australis, stachys palustris