hordeum murinum, achillea collina, apera spica-venti, bromus hordeaceus, lepidium perfoliatum, lolium perenne, poa angustifolia, veronica verna, anthriscus caucalis, arrhenatherum elatius, artemisia vulgaris, bromus tectorum, capsella bursa-pastoris, carduus nutans, cerastium arvense, chaerophyllum temulum, crepis biennis, descurainia sophia, echium vulgare, erodium cicutarium, hordeum geniculatum, lactuca serriola, lepidium virginicum, medicago lupulina, melilotus officinalis, petrorhagia prolifera, poa annua, poa compressa, potentilla argentea, puccinellia distans, salvia pratensis, silene vulgaris, sisymbrium altissimum, sisymbrium loeselii, sisymbrium officinale, verbascum thapsus, veronica teucrium