text: polygonum aviculare, veronica polita, capsella bursa-pastoris, lolium perenne, medicago lupulina, plantago lanceolata, chenopodium vulvaria, convolvulus arvensis, digitaria sanguinalis, elymus repens, galinsoga parviflora, glechoma hederacea, lamium amplexicaule, lysimachia arvensis, veronica persica, betula pendula, chenopodiastrum hybridum, erysimum cheiranthoides, plantago major, sonchus asper, trifolium repens