hordeum murinum, bromus sterilis, lolium perenne, achillea millefolium, amaranthus retroflexus, artemisia vulgaris, bromus hordeaceus, capsella bursa-pastoris, crepis capillaris, erigeron canadensis, galinsoga parviflora, glechoma hederacea, heracleum sphondylium, lactuca serriola, malva neglecta, plantago major, poa annua, polygonum aviculare, raphanus raphanistrum, solanum nigrum