ceratodon purpureus, artemisia vulgaris, arenaria serpyllifolia, solidago canadensis, betula pendula, calamagrostis epigejos, cerastium holosteoides, cirsium arvense, cirsium vulgare, daucus carota, hypericum perforatum, lactuca serriola, poa compressa, populus nigra, rubus caesius, senecio vernalis, ulmus glabra