stellaria media, poa annua, polygonum aviculare, artemisia annua, berteroa incana, chelidonium majus, chenopodium album, cirsium arvense, convolvulus arvensis, dactylis glomerata, descurainia sophia, erigeron canadensis, galinsoga parviflora, glechoma hederacea, hordeum murinum, lactuca serriola, lolium perenne, malva neglecta, matricaria chamomilla, medicago lupulina, melilotus officinalis, oxalis stricta, plantago major, potentilla reptans, ranunculus repens, sonchus arvensis, sonchus oleraceus, trifolium repens, tussilago farfara