text: quercus robur, betula pendula, castanea sativa, brachypodium pinnatum, fragaria vesca, lonicera periclymenum, rubia peregrina, avenella flexuosa, cornus sanguinea, dioscorea communis, euphorbia amygdaloides, frangula alnus, hedera helix, lathyrus linifolius, populus tremula, potentilla erecta, prunus avium, prunus spinosa, pseudoscleropodium purum, pteridium aquilinum, quercus petraea, salix atrocinerea, viola riviniana