puccinellia distans, lepidium ruderale, oxybasis glauca, schoenoplectus tabernaemontani, xanthium strumarium, abutilon theophrasti, bidens tripartita, bromus squarrosus, cichorium intybus, erigeron canadensis, glyceria maxima, hordeum geniculatum, persicaria lapathifolia, plantago lanceolata, plantago major, caltha palustris, galinsoga parviflora