chenopodium album, convolvulus arvensis, elymus repens, lysimachia vulgaris, equisetum arvense, galeopsis tetrahit, persicaria maculosa, poa pratensis, silene latifolia, achillea virescens, agrostis stolonifera, campanula rotundifolia, capsella bursa-pastoris, cerastium fontanum, crepis capillaris, echium vulgare, euphorbia helioscopia, galium aparine, gnaphalium uliginosum, plantago lanceolata, ranunculus acris, trifolium pratense, viola arvensis