hedera helix, populus canadensis, castanea sativa, ficaria verna, sambucus nigra, urtica dioica, prunus avium, aegopodium podagraria, crataegus monogyna, lathraea clandestina, ribes rubrum, galium aparine, primula elatior, adoxa moschatellina, anthriscus sylvestris, arum maculatum, brachythecium rutabulum, dryopteris filix-mas, epipactis helleborine, geum urbanum, polygonatum multiflorum