alopecurus aequalis, carex hirta, rorippa amphibia, poa palustris, potentilla supina, bidens tripartita, eleocharis palustris, erigeron canadensis, lotus corniculatus, matricaria chamomilla, mentha aquatica, persicaria maculosa, plantago major, potamogeton natans, trifolium michelianum, xanthium strumarium, dichodon viscidum