scolymus hispanicus, lolium perenne, centaurea diffusa, galium humifusum, taraxacum serotinum, tragus racemosus, alyssum hirsutum, bromus tectorum, carduus acanthoides, centaurea arenaria, chondrilla juncea, cichorium intybus, cynodon dactylon, hordeum murinum, lactuca saligna, lepidium draba, xanthium spinosum