cirsium arvense, matricaria discoidea, poa annua, polygonum aviculare, solanum nigrum, veronica arvensis, agrostis stolonifera, capsella bursa-pastoris, elymus repens, fallopia convolvulus, galium aparine, persicaria maculosa, stellaria media, urtica urens, apera spica-venti, galeopsis tetrahit, gnaphalium uliginosum, lamium amplexicaule, lolium multiflorum, matricaria chamomilla, persicaria lapathifolia, plantago uliginosa, senecio vulgaris, spergula arvensis