potentilla argentea, poa compressa, achillea millefolium, artemisia vulgaris, ceratodon purpureus, delphinium consolida, lamium album, tortula muralis, capsella bursa-pastoris, chenopodium album, gemmabryum caespiticium, lepidium ruderale, myosotis arvensis, sedum acre, sempervivum tectorum, sisymbrium officinale