ambrosia artemisiifolia, achillea millefolium, bromus tectorum, carduus acanthoides, cichorium intybus, cirsium arvense, erigeron canadensis, jacobaea erucifolia, lactuca tatarica, melilotus officinalis, pilosella echioides, delphinium consolida, lappula squarrosa, poa angustifolia, reseda lutea, stachys recta, verbascum lychnitis