text: populus canadensis, festuca rubra, lolium perenne, agrostis stolonifera, dactylis glomerata, elymus repens, glechoma hederacea, achillea millefolium, alopecurus pratensis, plantago lanceolata, arrhenatherum elatius, cerastium holosteoides, heracleum sphondylium, holcus lanatus, phleum pratense, plantago major, poa annua, poa pratensis, poa trivialis, polygonum aviculare, potentilla reptans, ranunculus acris, ranunculus repens, rumex crispus, atriplex patula, chenopodium album, fallopia convolvulus, rumex acetosa, sinapis arvensis, sonchus oleraceus, symphytum officinale, valeriana officinalis