text: atriplex patula, lactuca serriola, cirsium vulgare, erigeron canadensis, heliotropium europaeum, malva neglecta, medicago lupulina, mercurialis annua, polygonum aviculare, sison segetum, sonchus oleraceus, althaea hirsuta, andryala integrifolia, chaenorhinum minus, chenopodium vulvaria, convolvulus arvensis, eryngium campestre, fallopia convolvulus, kickxia spuria