artemisia biennis, agrostis stolonifera, oxybasis rubra, veronica catenata, juncus hybridus, lysimachia maritima, poa annua, erigeron canadensis, plantago uliginosa, cirsium arvense, epilobium hirsutum, limosella aquatica, lythrum salicaria, mentha aquatica, persicaria maculosa, rorippa palustris, rumex crispus, sonchus asper