text: linum usitatissimum, euphorbia helioscopia, fallopia convolvulus, galium aparine, lamium purpureum, thlaspi arvense, veronica persica, viola arvensis, acer campestre, agrostis stolonifera, arctium minus, artemisia vulgaris, chenopodium album, lamium amplexicaule, poa annua, polygonum aviculare, stachys palustris, veronica arvensis, vicia tetrasperma