astragalus arenarius, chenopodium album, arabidopsis arenosa, artemisia campestris, berteroa incana, bromus hordeaceus, bromus tectorum, capsella bursa-pastoris, descurainia sophia, elymus repens, equisetum arvense, fallopia convolvulus, herniaria glabra, medicago lupulina, persicaria maculosa, poa annua, senecio vernalis, setaria viridis