poa annua, puccinellia distans, bryum argenteum, atriplex calotheca, oxybasis glauca, poa trivialis, tripleurospermum inodorum, agrostis stolonifera, artemisia vulgaris, atriplex patula, ceratodon purpureus, chenopodium album, echinochloa crus-galli, erigeron canadensis, funaria hygrometrica, juncus bufonius, lolium pratense, matricaria discoidea, persicaria lapathifolia, polygonum aviculare, ranunculus sceleratus, rorippa palustris