text: avena sativa, galinsoga quadriradiata, poa annua, stellaria media, thlaspi arvense, trifolium repens, veronica persica, aethusa cynapium, capsella bursa-pastoris, chenopodium album, cirsium arvense, euphorbia helioscopia, euphorbia peplus, fumaria wirtgenii, geranium columbinum, lamium purpureum, lolium perenne, poa trivialis, polygonum aviculare, sonchus asper, sonchus oleraceus, argentina anserina, echinochloa crus-galli, plantago major