hordeum murinum, anacyclus clavatus, atriplex patula, avena barbata, bromus sterilis, calendula arvensis, carduus tenuiflorus, centaurea aspera, convolvulus arvensis, cynodon dactylon, elymus repens, erigeron canadensis, foeniculum vulgare, lactuca serriola, lepidium draba, malva parviflora, rostraria cristata, scorzonera laciniata, senecio vulgaris, sonchus asper, spergularia diandra, sphenopus divaricatus, suaeda vera, veronica polita