matricaria chamomilla, polygonum aviculare, atriplex littoralis, draba verna, lepidium draba, lepidium ruderale, myosurus minimus, agrostis stolonifera, delphinium hispanicum, dichodon viscidum, diplotaxis tenuifolia, holosteum umbellatum, lamium amplexicaule, rumex stenophyllus, senecio vernalis, taraxacum minimum