populus canadensis, urtica dioica, anthriscus sylvestris, arrhenatherum elatius, holcus lanatus, phalaris arundinacea, symphytum officinale, dactylis glomerata, elymus repens, poa trivialis, alopecurus pratensis, glechoma hederacea, persicaria amphibia, ranunculus repens, rumex acetosa, rumex obtusifolius, valeriana officinalis, potentilla reptans, ranunculus acris