tussilago farfara, achillea millefolium, bromus sterilis, bromus tectorum, carduus acanthoides, cirsium arvense, daucus carota, elymus repens, geranium pusillum, helianthus tuberosus, impatiens parviflora, oenothera biennis, poa compressa, poa pratensis, rumex crispus, senecio viscosus, solidago gigantea, capsella bursa-pastoris, convolvulus arvensis, lolium multiflorum