polygonum aviculare, cynodon dactylon, apera spica-venti, cichorium intybus, lolium perenne, matricaria chamomilla, crepis biennis, erigeron canadensis, poa annua, artemisia vulgaris, digitaria sanguinalis, echium vulgare, filago germanica, herniaria glabra, petrorhagia saxifraga, plantago lanceolata, plantago major, potentilla argentea, trifolium repens, spergularia rubra, bromus hordeaceus