fagus sylvatica, crataegus laevigata, helleborus viridis, isopyrum thalictroides, crocus nudiflorus, pteridium aquilinum, allium ursinum, anemone nemorosa, arum maculatum, carex sylvatica, euphorbia amygdaloides, ficaria verna, galium odoratum, glechoma hederacea, hepatica nobilis, potentilla sterilis, ranunculus polyanthemos, urtica dioica, vicia sepium, viola reichenbachiana