sedum acre, ceratodon purpureus, syntrichia ruralis, carex arenaria, cerastium semidecandrum, placynthiella icmalea, arenaria serpyllifolia, calamagrostis epigejos, erodium cicutarium, koeleria macrantha, saxifraga tridactylites, syntrichia calcicola, erigeron canadensis, funaria hygrometrica, phleum arenarium