hedera helix, populus canadensis, acer pseudoplatanus, betula pendula, corylus avellana, ulmus minor, castanea sativa, allium ursinum, crataegus monogyna, anemone nemorosa, ficaria verna, ribes rubrum, adoxa moschatellina, polygonatum multiflorum, urtica dioica, vinca minor, arum maculatum, clematis vitalba, dryopteris filix-mas, fissidens taxifolius, kindbergia praelonga, primula elatior