text: berteroa incana, hedwigia ciliata, cerastium arvense, ceratodon purpureus, potentilla heptaphylla, seseli osseum, arenaria serpyllifolia, knautia arvensis, rumex acetosella, sedum acre, thymus pulegioides, viola tricolor, arrhenatherum elatius, elymus repens, hypericum perforatum, koeleria macrantha, pimpinella saxifraga, potentilla argentea, veronica dillenii, vicia tetrasperma, arabidopsis thaliana, galium aparine, poa angustifolia, trifolium arvense, veronica arvensis