agrostis gigantea, calamagrostis pseudophragmites, xanthium strumarium, panicum capillare, populus canadensis, artemisia vulgaris, bidens frondosa, chaenorhinum minus, daucus carota, diplotaxis tenuifolia, echium vulgare, eragrostis pectinacea, erigeron annuus, galeopsis angustifolia, helianthus tuberosus, melilotus albus, oenothera biennis, persicaria lapathifolia, plantago lanceolata, reseda lutea, setaria viridis, solidago gigantea, tussilago farfara, ambrosia artemisiifolia, bidens tripartita