stellaria aquatica, atriplex prostrata, rorippa palustris, sisymbrium officinale, capsella bursa-pastoris, oxybasis rubra, carduus crispus, chenopodium album, glyceria fluitans, matricaria chamomilla, oenanthe aquatica, persicaria lapathifolia, persicaria maculosa, plantago major, poa annua, poa trivialis, polygonum aviculare, stellaria media, urtica dioica, urtica urens