tanacetum vulgare, artemisia vulgaris, sedum sexangulare, achillea millefolium, brachythecium albicans, capsella bursa-pastoris, echium vulgare, berteroa incana, bromus tectorum, chenopodium album, clinopodium acinos, convolvulus arvensis, erigeron canadensis, lepidium densiflorum, potentilla argentea, sisymbrium officinale, descurainia sophia