bidens frondosa, atriplex prostrata, chenopodium album, persicaria maculosa, carex pendula, cirsium arvense, daucus carota, epilobium hirsutum, erigeron sumatrensis, foeniculum vulgare, galega officinalis, hordeum murinum, oxalis stricta, picris hieracioides, plantago major, populus canadensis, ranunculus bulbosus, ranunculus repens, rumex obtusifolius, scrophularia auriculata, silene latifolia, trifolium fragiferum, verbascum blattaria, verbena officinalis, veronica beccabunga, xanthium orientale