xeranthemum annuum, agropyron cristatum, allium saxatile, bromus tectorum, cerastium pumilum, cynodon dactylon, descurainia sophia, erodium cicutarium, festuca ovina, hordeum murinum, linaria vulgaris, matricaria chamomilla, poa angustifolia, reseda lutea, sisymbrium officinale, xanthium strumarium