hordeum murinum, lolium perenne, amaranthus retroflexus, arctium tomentosum, artemisia vulgaris, atriplex patula, bromus hordeaceus, bromus sterilis, capsella bursa-pastoris, cirsium arvense, crepis capillaris, digitaria sanguinalis, erodium cicutarium, galinsoga parviflora, geranium pusillum, glechoma hederacea, heracleum sphondylium, lepidium ruderale, plantago major, poa annua, polygonum aviculare, setaria viridis, sisymbrium officinale, solanum nigrum, tripleurospermum inodorum