poa compressa, potentilla argentea, ceratodon purpureus, didymodon rigidulus, poa angustifolia, sempervivum tectorum, tortula muralis, urtica dioica, achillea millefolium, alyssum alyssoides, artemisia vulgaris, capsella bursa-pastoris, chenopodium album, homalothecium lutescens, sedum sexangulare, sisymbrium officinale, crepis tectorum