trifolium nigrescens, cynodon dactylon, bellis perennis, capsella bursa-pastoris, centaurea diffusa, centaurea iberica, cerastium glutinosum, chenopodium album, cichorium intybus, erodium cicutarium, juncus bufonius, lotus corniculatus, matricaria chamomilla, plantago major, poa bulbosa, polygonum aviculare, ranunculus arvensis, trifolium repens, trifolium resupinatum, verbena officinalis, xanthium spinosum