text: quercus petraea, pteridium aquilinum, castanea sativa, lathyrus laxiflorus, pinus nigra, rubus caesius, tilia tomentosa, acer platanoides, asperula involucrata, asplenium adiantum-nigrum, cardamine bulbifera, cardamine graeca, circaea lutetiana, corylus avellana, erica arborea, euphorbia amygdaloides, galium paschale, luzula forsteri, muscari latifolium, poa trivialis, ranunculus paludosus, silene behen, torminalis glaberrima, veronica chamaedrys, vicia cracca