echinochloa crus-galli, limosella aquatica, plantago uliginosa, galinsoga parviflora, lythrum hyssopifolia, matricaria discoidea, physcomitrium patens, potentilla supina, tripleurospermum inodorum, veronica anagallis-aquatica, amaranthus retroflexus, equisetum arvense, galinsoga quadriradiata, gnaphalium uliginosum, juncus bufonius, lamium purpureum, lipandra polysperma, lysimachia arvensis, mentha arvensis, oxybasis glauca, poa annua, poa trivialis, ranunculus sceleratus, salix alba, sonchus oleraceus, stellaria media, trifolium pratense