sambucus ebulus, achillea millefolium, capsella bursa-pastoris, cerastium arvense, chenopodium album, cirsium arvense, convolvulus arvensis, dactylis glomerata, galium aparine, polygonum aviculare, ranunculus acris, sonchus oleraceus, urtica dioica, artemisia vulgaris, elymus repens, plantago major, pteridium aquilinum