echinochloa crus-galli, persicaria hydropiper, persicaria lapathifolia, chenopodium album, phalaris arundinacea, barbarea vulgaris, rorippa palustris, salix viminalis, stellaria aquatica, achillea millefolium, agrostis stolonifera, artemisia vulgaris, bidens frondosa, calystegia sepium, capsella bursa-pastoris, carduus crispus, chaenorhinum minus, erysimum cheiranthoides, galinsoga parviflora, gnaphalium uliginosum, helianthus tuberosus, plantago lanceolata, polygonum aviculare, rumex obtusifolius, sinapis arvensis, tanacetum vulgare, thlaspi arvense, trifolium repens, tripleurospermum inodorum, veronica anagallis-aquatica, veronica persica