carex arenaria, hippophae rhamnoides, syntrichia ruralis, calamagrostis baltica, cerastium semidecandrum, cladonia furcata, hypnum cupressiforme, arabidopsis thaliana, corynephorus canescens, draba verna, koeleria glauca, myosotis ramosissima, phleum arenarium, sedum acre, veronica officinalis, viola canina, viola tricolor