galinsoga quadriradiata, persicaria lapathifolia, stellaria media, poa annua, capsella bursa-pastoris, centaurea cyanus, fallopia convolvulus, galeopsis bifida, galeopsis tetrahit, impatiens noli-tangere, persicaria hydropiper, persicaria maculosa, plantago major, ranunculus repens, spergula arvensis, stachys palustris, trifolium repens, viola arvensis, tripleurospermum inodorum