erigeron canadensis, erigeron acris, atriplex tatarica, bromus tectorum, capsella bursa-pastoris, cichorium intybus, convolvulus arvensis, elymus uralensis, falcaria vulgaris, lactuca serriola, lepidium ruderale, trifolium arvense, arctium tomentosum, centaurea diffusa, elymus repens, jacobaea erucifolia, malva trimestris, melilotus officinalis, noccaea brachypetala, sisymbrium loeselii