grindelia squarrosa, bromus squarrosus, achillea millefolium, bromus tectorum, carduus acanthoides, delphinium consolida, erigeron acris, jacobaea erucifolia, lactuca serriola, lepidium ruderale, reseda lutea, echium vulgare, erigeron canadensis, linaria genistifolia, poa angustifolia, sonchus arvensis