robinia pseudoacacia, prunus serotina, alliaria petiolata, agrostis gigantea, bromus tectorum, elymus repens, festuca rubra, acer platanoides, brachythecium rutabulum, calamagrostis epigejos, poa compressa, stellaria media, chenopodium album, corylus avellana, holcus lanatus, quercus petraea, sambucus nigra