populus canadensis, allium ursinum, corylus avellana, ficaria verna, lamium galeobdolon, hedera helix, robinia pseudoacacia, anemone nemorosa, ulmus minor, crataegus monogyna, arum maculatum, cardamine pratensis, galium aparine, polygonatum multiflorum, primula elatior, ribes rubrum, urtica dioica