cynodon dactylon, artemisia vulgaris, convolvulus arvensis, silene latifolia, achillea millefolium, anchusa officinalis, chenopodium album, cichorium intybus, erigeron canadensis, hordeum marinum, lolium perenne, polygonum aviculare, taraxacum minimum, artemisia campestris, chondrilla juncea, digitaria sanguinalis, erodium cicutarium, plantago arenaria