allium ursinum, acer pseudoplatanus, fraxinus excelsior, fagus sylvatica, cardamine trifolia, corylus avellana, lamium galeobdolon, carpinus betulus, asarum europaeum, dryopteris filix-mas, equisetum arvense, euphorbia dulcis, hedera helix, hepatica nobilis, mercurialis perennis, polygonatum multiflorum, polystichum aculeatum, pulmonaria officinalis, sambucus nigra