populus canadensis, holcus lanatus, arrhenatherum elatius, cirsium arvense, urtica dioica, agrostis stolonifera, brachythecium rutabulum, dactylis glomerata, glechoma hederacea, poa trivialis, filipendula ulmaria, ranunculus repens, rumex conglomeratus, veronica chamaedrys, cerastium holosteoides, fissidens taxifolius, galium aparine