populus canadensis, urtica dioica, glechoma hederacea, bromus sterilis, poa nemoralis, alopecurus pratensis, dactylis glomerata, elymus repens, galium aparine, holcus lanatus, poa trivialis, ranunculus repens, silene dioica, hedera helix, humulus lupulus, quercus robur, sambucus nigra