sambucus nigra, polypodium vulgare, sambucus racemosa, poa trivialis, quercus robur, rubus idaeus, urtica dioica, alliaria petiolata, dicranella heteromalla, dryopteris carthusiana, frangula alnus, hypnum cupressiforme, rubus plicatus, solanum dulcamara, sorbus aucuparia, betula pendula, dryopteris filix-mas