mercurialis perennis, fraxinus excelsior, corylus avellana, allium ursinum, lamium galeobdolon, dryopteris filix-mas, equisetum hyemale, prunus padus, campanula latifolia, populus tremula, ranunculus cassubicus, ulmus glabra, callicladium haldanianum, lophocolea heterophylla, oxyrrhynchium hians, tetraphis pellucida