echinochloa crus-galli, stellaria media, galinsoga parviflora, lipandra polysperma, persicaria maculosa, bidens tripartita, calystegia sepium, chenopodium album, cirsium arvense, elymus repens, fallopia convolvulus, lythrum salicaria, persicaria amphibia, persicaria lapathifolia, ranunculus repens, sonchus asper, stachys palustris, symphytum officinale