carex acuta, lythrum virgatum, achillea salicifolia, mentha arvensis, phragmites australis, agrostis stolonifera, alisma lanceolatum, beckmannia eruciformis, bidens frondosa, bromus inermis, cirsium arvense, digitaria sanguinalis, echinochloa crus-galli, elymus repens, euphorbia palustris, gratiola officinalis, inula britannica, leptodictyum riparium, persicaria hydropiper, persicaria minor, plantago major, rorippa brachycarpa, rubia tatarica, rumex stenophyllus, schoenoplectiella supina, setaria viridis, stachys palustris, thalictrum flavum, veronica anagalloides