erigeron canadensis, populus nigra, agrostis gigantea, artemisia absinthium, artemisia campestris, artemisia marschalliana, berteroa incana, calamagrostis epigejos, corispermum hyssopifolium, elymus repens, festuca rubra, hippophae rhamnoides, melilotus albus, oenothera biennis, petasites spurius, salsola tragus, setaria viridis, xanthium orientale