populus canadensis, elymus repens, hordeum murinum, lolium perenne, agrostis stolonifera, anthriscus sylvestris, arctium lappa, arrhenatherum elatius, dactylis glomerata, glechoma hederacea, stellaria media, festuca rubra, phleum pratense, plantago lanceolata, poa trivialis, ranunculus acris, trifolium pratense, trifolium repens, urtica dioica, artemisia vulgaris, brassica nigra, carduus crispus, crataegus monogyna, erigeron canadensis, galium aparine, lapsana communis, polygonum aviculare, rumex obtusifolius, sisymbrium officinale