text: hordeum vulgare, poa annua, cirsium arvense, lamium hybridum, stellaria media, argentina anserina, elymus repens, sonchus arvensis, viola arvensis, achillea millefolium, artemisia vulgaris, avena fatua, avena sativa, cerastium holosteoides, galeopsis bifida, galeopsis tetrahit, lapsana communis, medicago lupulina, polygonum aviculare, tripleurospermum inodorum, tussilago farfara, vicia sativa