bromus arvensis, tanacetum vulgare, achillea crithmifolia, amaranthus retroflexus, chenopodium album, cirsium arvense, erigeron canadensis, bromus hordeaceus, capsella bursa-pastoris, cichorium intybus, daucus carota, draba verna, epilobium lamyi, hypericum perforatum, lactuca serriola, lolium perenne, plantago lanceolata, plantago major, poa annua, stellaria media, trifolium repens