cirsium arvense, amaranthus retroflexus, convolvulus arvensis, erigeron canadensis, lepidium ruderale, potentilla reptans, sonchus oleraceus, bromus sterilis, chenopodium album, diplotaxis muralis, diplotaxis tenuifolia, elymus repens, hordeum murinum, lappula squarrosa, misopates orontium, muscari comosum, reseda lutea, torilis japonica, trifolium repens