text: bidens frondosa, persicaria hydropiper, agrostis gigantea, phalaris arundinacea, stellaria aquatica, symphytum officinale, artemisia vulgaris, atriplex patula, ballota nigra, elymus repens, galeopsis tetrahit, galinsoga quadriradiata, galium aparine, glyceria maxima, impatiens parviflora, lipandra polysperma, lolium perenne, medicago lupulina, plantago major, poa palustris, ranunculus repens, rumex obtusifolius, sisymbrium officinale, trifolium hybridum, urtica dioica, anthriscus sylvestris, atriplex prostrata, erigeron canadensis, geranium pratense, lamium album, populus canadensis, tripleurospermum inodorum