bidens tripartita, lythrum portula, persicaria hydropiper, persicaria lapathifolia, argentina anserina, glechoma hederacea, persicaria maculosa, plantago major, poa annua, urtica dioica, glyceria fluitans, juncus effusus, matricaria discoidea, ranunculus flammula, ranunculus repens, rumex crispus, rumex obtusifolius