gleditsia triacanthos, chaerophyllum nodosum, cotinus coggygria, crataegus monogyna, dactylis glomerata, quercus cerris, brachypodium sylvaticum, carpinus betulus, clematis vitalba, fraxinus americana, geum urbanum, robinia pseudoacacia, ulmus minor, juglans regia, poa nemoralis, galium aparine