achillea millefolium, agrostis capillaris, aira caryophyllea, aira praecox, apera spica-venti, calluna vulgaris, cerastium semidecandrum, ceratodon purpureus, festuca ovina, herniaria glabra, hypochaeris radicata, logfia minima, nardus stricta, pilosella officinarum, potentilla argentea, rumex acetosella, sagina nodosa, scleranthus annuus, thymus serpyllum, veronica arvensis