text: convolvulus arvensis, euphorbia helioscopia, fallopia convolvulus, galinsoga parviflora, setaria pumila, chenopodium album, lamium purpureum, persicaria maculosa, setaria viridis, sonchus oleraceus, stellaria media, capsella bursa-pastoris, echinochloa crus-galli, galeopsis tetrahit, galium aparine, geranium columbinum, polygonum aviculare, sonchus arvensis, trifolium repens, urtica dioica, veronica persica, aethusa cynapium, matricaria chamomilla