text: galinsoga quadriradiata, aegopodium podagraria, capsella bursa-pastoris, chenopodium album, persicaria maculosa, stellaria media, amaranthus powellii, centaurea cyanus, euphorbia helioscopia, fumaria officinalis, galeopsis tetrahit, gnaphalium uliginosum, senecio vulgaris, silene dioica, silene latifolia, sonchus arvensis, sonchus asper, thlaspi arvense, veronica persica, viola arvensis