text: elymus repens, polygonum aviculare, asperugo procumbens, hordeum murinum, chenopodium album, fallopia convolvulus, lolium perenne, sonchus oleraceus, anthriscus sylvestris, erigeron canadensis, lolium multiflorum, papaver dubium, poa trivialis, sisymbrium officinale, solanum nigrum, stellaria media, tragopogon pratensis, urtica dioica, senecio vulgaris