grindelia squarrosa, ambrosia artemisiifolia, cirsium arvense, erigeron canadensis, bromus tectorum, cichorium intybus, delphinium consolida, poa angustifolia, reseda lutea, verbascum lychnitis, artemisia absinthium, bromus squarrosus, convolvulus arvensis, echium vulgare, euphorbia esula, galium aparine, lepidium ruderale, artemisia santonicum, carduus acanthoides, picris hieracioides