medicago lupulina, atriplex patula, cirsium arvense, trifolium pratense, viola arvensis, alyssum alyssoides, capsella bursa-pastoris, galium aparine, odontites vernus, stellaria media, vicia sativa, aethusa cynapium, arabidopsis thaliana, campanula rapunculoides, euphorbia helioscopia, lapsana communis, lysimachia vulgaris, myosotis arvensis, poa compressa, scleranthus annuus, sherardia arvensis, thlaspi arvense, trifolium arvense, vicia cracca