poa annua, rumex crispus, alopecurus geniculatus, capsella bursa-pastoris, plantago major, veronica anagallis-aquatica, agrostis gigantea, carex hirta, digitaria ischaemum, erigeron canadensis, oxybasis glauca, persicaria maculosa, ranunculus sardous, rorippa islandica, senecio vulgaris, setaria viridis, veronica serpyllifolia