stellaria media, poa annua, artemisia annua, capsella bursa-pastoris, chelidonium majus, convolvulus arvensis, dactylis glomerata, erigeron annuus, erigeron canadensis, galinsoga parviflora, glechoma hederacea, hordeum murinum, lepidium ruderale, lolium perenne, matricaria chamomilla, medicago lupulina, plantago major, polygonum aviculare, prunella vulgaris, rorippa sylvestris, senecio vulgaris, sonchus arvensis, sonchus oleraceus, trifolium repens, urtica urens, veronica opaca