text: apera spica-venti, agrostis capillaris, centaurea cyanus, cirsium arvense, aphanes arvensis, crepis biennis, elymus repens, fallopia convolvulus, galeopsis tetrahit, galium aparine, heracleum sphondylium, lapsana communis, myosotis arvensis, phleum pratense, polygonum aviculare, sherardia arvensis, sonchus arvensis, viola arvensis, euphorbia peplus, stachys annua, tripleurospermum inodorum