text: arenaria serpyllifolia, legousia speculum-veneris, polypogon viridis, chenopodium album, lysimachia vulgaris, papaver rhoeas, sherardia arvensis, vicia sativa, alopecurus myosuroides, centaurea cyanus, convolvulus arvensis, lysimachia arvensis, medicago lupulina, mercurialis annua, myosotis arvensis, raphanus raphanistrum, setaria pumila, setaria viridis, sinapis arvensis, stellaria media, trifolium repens, valerianella rimosa, viola arvensis, erigeron canadensis, sonchus asper