stellaria media, artemisia annua, berteroa incana, cirsium arvense, convolvulus arvensis, dactylis glomerata, elymus repens, erigeron canadensis, geranium pusillum, glechoma hederacea, hordeum murinum, lepidium ruderale, lolium perenne, matricaria chamomilla, medicago lupulina, poa annua, polygonum aviculare, potentilla reptans, prunella vulgaris, setaria viridis, sonchus arvensis, sonchus oleraceus