quercus robur, geum urbanum, carex arenaria, impatiens parviflora, acer pseudoplatanus, brachythecium rutabulum, kindbergia praelonga, poa trivialis, pseudoscleropodium purum, agrostis capillaris, alliaria petiolata, rabelera holostea, galium aparine, urtica dioica, dryopteris filix-mas