acer campestre, ambrosia artemisiifolia, barbarea stricta, barbarea vulgaris, brassica nigra, cornus sanguinea, erigeron canadensis, frangula alnus, lactuca serriola, lolium perenne, melilotus albus, persicaria minor, persicaria mitis, populus nigra, salix alba, salix purpurea, saponaria officinalis, xanthium orientale