arabidopsis thaliana, arenaria serpyllifolia, bryum argenteum, cerastium semidecandrum, ceratodon purpureus, holosteum umbellatum, saxifraga tridactylites, arabidopsis arenosa, armeria maritima, artemisia vulgaris, betula pendula, corynephorus canescens, draba verna, erigeron canadensis, poa annua, trifolium arvense