zea mays, convolvulus arvensis, digitaria sanguinalis, calystegia sepium, chenopodium album, galega officinalis, geranium molle, helminthotheca echioides, senecio vulgaris, setaria verticillata, sonchus oleraceus, veronica hederifolia, cenchrus spinifex, diplotaxis muralis, pimpinella major, urtica dioica