echinochloa crus-galli, persicaria hydropiper, poa annua, alopecurus aequalis, amaranthus retroflexus, anthriscus sylvestris, arctium lappa, artemisia vulgaris, bidens frondosa, capsella bursa-pastoris, erysimum cheiranthoides, galinsoga parviflora, galinsoga quadriradiata, gnaphalium uliginosum, myosotis scorpioides, oxalis stricta, persicaria lapathifolia, persicaria maculosa, phalaris arundinacea, plantago major, rorippa palustris, solanum nigrum, spergularia rubra, stellaria aquatica, tanacetum vulgare, thlaspi arvense, tripleurospermum inodorum, urtica dioica, veronica anagallis-aquatica, myosotis nemorosa, persicaria mitis, salix purpurea