de, saarpfalz-kreis, triticum aestivum, lathyrus tuberosus, hordeum vulgare, convolvulus arvensis, avena sativa, euphorbia exigua, lysimachia arvensis, sinapis arvensis, papaver rhoeas, aethusa cynapium, sonchus asper, viola arvensis, euphorbia helioscopia, cirsium arvense, veronica persica, thlaspi arvense, brassica napus, trifolium incarnatum, daucus carota, galium aparine, vicia sativa, trifolium repens, myosotis arvensis, matricaria chamomilla, medicago lupulina, centaurea cyanus, chenopodium album, geranium dissectum, capsella bursa-pastoris, elymus repens, plantago lanceolata, plantago major, ranunculus repens, medicago sativa, potentilla reptans, galeopsis tetrahit, achillea millefolium, poa trivialis, vicia hirsuta, polygonum aviculare, lapsana communis, alopecurus myosuroides, rumex crispus, raphanus raphanistrum, heracleum sphondylium, crepis biennis, trifolium pratense, silphium perfoliatum, vicia sepium, tragopogon pratensis