pteridium aquilinum, holcus lanatus, arrhenatherum elatius, centaurea nigra, centaurea scabiosa, chenopodium album, cirsium arvense, echium vulgare, silene latifolia, symphytum officinale, urtica dioica, fumaria officinalis, glechoma hederacea, leucanthemum vulgare, myosotis arvensis, papaver rhoeas, reseda lutea, reseda luteola, rumex conglomeratus, scabiosa columbaria, vicia sativa