ceratodon purpureus, aira praecox, arenaria serpyllifolia, logfia minima, spergularia rubra, cerastium holosteoides, erigeron canadensis, agrostis capillaris, agrostis stolonifera, avenella flexuosa, holcus lanatus, pilosella officinarum, pinus sylvestris, rumex acetosella, hypericum perforatum