fraxinus excelsior, tilia cordata, convallaria majalis, prunus padus, ulmus glabra, allium ursinum, polygonatum multiflorum, paris quadrifolia, acer platanoides, impatiens noli-tangere, oxyrrhynchium hians, plagiomnium undulatum, corylus avellana, dryopteris carthusiana, equisetum pratense, picea abies, populus tremula, quercus robur