text: amaranthus albus, convolvulus arvensis, capsella bursa-pastoris, chenopodium album, ecballium elaterium, erodium ciconium, heliotropium europaeum, noccaea perfoliata, scolymus maculatus, scorpiurus muricatus, visnaga daucoides, anacyclus clavatus, diplotaxis virgata, euphorbia serrata