urtica dioica, phragmites australis, elymus repens, lolium perenne, poa annua, agrostis stolonifera, dactylis glomerata, poa trivialis, galium aparine, glechoma hederacea, matricaria discoidea, persicaria amphibia, plantago major, polygonum aviculare, anthriscus sylvestris, convolvulus arvensis