corylus avellana, fraxinus excelsior, acer pseudoplatanus, mercurialis perennis, ulmus glabra, asplenium scolopendrium, cardamine heptaphylla, convallaria majalis, galium odoratum, gymnocarpium robertianum, knautia dipsacifolia, lonicera xylosteum, moehringia muscosa, pimpinella major, salix appendiculata, valeriana montana, campanula cochleariifolia, ctenidium molluscum, euphorbia amygdaloides, geranium robertianum, helleborus foetidus, heracleum sphondylium, homalothecium lutescens, lamium galeobdolon, lathyrus vernus, picea abies, polygonatum odoratum, rubus saxatilis, tilia platyphyllos