hordeum murinum, centaurea calcitrapa, bromus tectorum, convolvulus arvensis, crepis vesicaria, lolium rigidum, medicago sativa, sisymbrium officinale, anthemis arvensis, bromus hordeaceus, capsella bursa-pastoris, chondrilla juncea, phlomis herba-venti, salvia verbenaca, scolymus hispanicus