oxalis stricta, euphorbia peplis, lolium perenne, artemisia annua, capsella bursa-pastoris, cerastium fontanum, chelidonium majus, convolvulus arvensis, dactylis glomerata, descurainia sophia, erigeron canadensis, fallopia convolvulus, geum urbanum, hordeum murinum, malva sylvestris, plantago major, poa annua, polygonum aviculare, potentilla reptans, prunella vulgaris, ranunculus repens, setaria viridis, solanum nigrum, sonchus oleraceus, stellaria media, trifolium repens