persicaria lapathifolia, persicaria hydropiper, phalaris arundinacea, polygonum aviculare, stellaria aquatica, barbarea vulgaris, bidens frondosa, erigeron canadensis, juncus articulatus, melilotus albus, mentha longifolia, poa annua, poa compressa, ranunculus repens, rumex obtusifolius, scrophularia nodosa, sonchus oleraceus, tanacetum vulgare, acer negundo, agrostis stolonifera, alliaria petiolata, artemisia vulgaris, capsella bursa-pastoris, echinochloa crus-galli, epilobium tetragonum, equisetum arvense, eupatorium cannabinum, lolium perenne, lythrum salicaria, plantago lanceolata, plantago uliginosa, poa pratensis, poa trivialis, rorippa palustris, sagina procumbens, salix alba, sanguisorba officinalis, silene dioica, solidago canadensis, stachys sylvatica, trifolium hybridum, tripleurospermum inodorum, urtica dioica, veronica beccabunga