syntrichia ruralis, sedum acre, scleranthus perennis, cerastium arvense, cladonia pyxidata, cladonia rangiformis, convolvulus arvensis, poa compressa, potentilla argentea, trifolium arvense, veronica verna, agrostis capillaris, arabidopsis thaliana, berteroa incana, echium vulgare, festuca ovina, myosotis stricta, potentilla verna