agrostis gigantea, ambrosia artemisiifolia, bidens frondosa, echinochloa crus-galli, galeopsis angustifolia, persicaria lapathifolia, setaria viridis, xanthium strumarium, amorpha fruticosa, artemisia vulgaris, bidens cernuus, bidens tripartita, chaenorhinum minus, daucus carota, erigeron canadensis, helianthus tuberosus, lythrum salicaria, medicago lupulina, melilotus albus, plantago lanceolata, polygonum aviculare, populus canadensis, reseda lutea, salix eleagnos, sonchus oleraceus, veronica anagallis-aquatica, chenopodium album, diplotaxis tenuifolia, echium vulgare, plantago uliginosa, pulicaria dysenterica, salix rubens, scabiosa triandra, solidago gigantea, tussilago farfara