hordeum murinum, calendula arvensis, malva parviflora, capsella bursa-pastoris, chenopodiastrum murale, echium arenarium, malcolmia chia, parietaria cretica, sonchus oleraceus, lamium amplexicaule, medicago truncatula, mercurialis annua, oxalis pes-caprae, plantago afra, rumex spinosus, urospermum picroides, urtica pilulifera