castanea sativa, pteridium aquilinum, carpinus betulus, helleborus viridis, acer tataricum, betula pendula, fagus sylvatica, fragaria vesca, ajuga reptans, athyrium filix-femina, campanula patula, cardamine bulbifera, circaea lutetiana, clinopodium nepeta, cruciata glabra, epimedium alpinum, euphorbia amygdaloides, frangula alnus, gentiana asclepiadea, hypericum perforatum, juniperus communis, luzula luzuloides, oreopteris limbosperma, oxalis acetosella, potentilla erecta, primula vulgaris, prunella vulgaris, quercus petraea, rabelera holostea, thymus pulegioides, viola reichenbachiana