Adl M. S., Gupta V. R. (2006) Protists in soil ecology and forest nutrient cycling. Can. J. Forest Res. 36: 1805–1817 Anderson O. R. (2006) The density and diversity of gymnamoebae associated with terrestrial moss communities (Bryophyta: Bryopsida) in a Northeastern U.S. Forest. J. Eukaryot. Microbiol. 53: 275–279 Anderson O. R. (2016) Experimental evidence for non-encysted freeze-resistant stages of terrestrial naked amoebae capable of resumed growth after freeze-thaw events. Acta Protozool. 55: 19–25 Anderson O. R., Rogerson A. (1995) Annual abundances and growth potential of gymnamoebae in the Hudson estuary with comparative data from the Firth of Clyde. Eur. J. Protistol. 31: 223–233 Bever J. D., Westover K. M., Antonovics J. (1997) Incorporating the soil community into plant population dynamics: the utility of the feedback approach. J. Ecol. 85: 561–573 Bischoff P. J. (2002) An analysis of the abundance diversity and patchiness of terrestrial gymnamoebae in relation to soil depth and precipitation events following a drought in Southeastern USA. Acta Protozool. 41: 183–189 Brown S., Smirnov A. V. (2004) Diversity of gymnamoebae in grassland soil in Southern Scottland. Protistology 3: 191–195 Callaway R. M., Aschehoug E. T. (2000) Invasive plants versus their new and old neighbors: a mechanism for exotic invasion. Science 290: 521–523 Clarholm M. (1985) Interactions of bacteria protozoa and plants leading to mineralization of soil nitrogen. Soil Biol. Biochem. 17: 181–188 Clarholm M. (1989) Effects of plant-bacterial-amoebal interactions on plant uptake of nitrogen under field conditions. Biol. Fert. Soils 8: 373–378 Dommanget F., Evette A., Spiegelberger T., Gallet C., Pacé M., Imbert M., Navas M. (2014) Differential allelopathic effects of Japanese knotweed on willow and cottonwood cuttings used in riverbank restoration techniques. J. Environ. Manage. 132: 71–78 Dukes J. S., Mooney H. A. (1999) Does global change increase the success of biological invaders? Trends Ecol. Evol. 14: 135–139 Fiore-Donno A. M., Weinert J., Wubet T., Bonkowski M. (2016) Metacommunity analysis of amoeboid protists in grassland soils. Sci. Rep. 6: 19068 Geisen S., Bandow C., Römbke J., Bonkowski M. (2014) Soil water availability strongly alters the community composition of soil protists. Pedobiologia 57: 205–213 Geisen S., Tveit A. T., Clark I. M., Richter A., Svenning M. M., Bonkowski M., Urich T. (2015) Metatranscriptomic census of active protists in soils. ISME Journal 9: 2178–2190 Groeneveld E., Belzile F., Lavoie C. (2014) Sexual reproduction of Japanese knotweed (Fallopia japonica s.l.) at its northern distribution limit: New evidence of the effect of climate warming on an invasive species. Am. J. Bot. 101: 459–466 Jahnke J., Wehren T., Priefer U. B. (2007) In vitro studies on the impact of the naked soil amoeba Thecamoeba similis Greef feeding on phototrophic soil biofilms. Eur. J. Soil. Biol. 43: 14–22 Keane R. M., Crawley M. J. (2002) Exotic plant invasions and the enemy release hypothesis. Trends Ecol. Evol. 17: 164–170 Klironomos J. N. (2002) Feedback with soil biota contributes to plant rarity and invasiveness in communities. Nature 417: 67–70 Page F. C. 1983. Marine Gymnamoebae. Institute of Terrestrial Ecology Cambridge England Parepa M., Schaffner U., Bossdorf O. (2013) Help from under ground: soil biota facilitate knotweed invasion. Ecosphere 4: 1–11 Reinhart K.O., Packer A., van der Putten W. H., Clay K. (2003) Plant–soil biota interactions and spatial distribution of black cherry in its native and invasive ranges. Ecol. Lett. 6: 1046–1050 Shannon C., LeRoy C., Barry J., Kuehn K. (2014) Impacts of invasive riparian knotweed on litter decomposition aquatic fungi and macroinvertebrates. Biol. Invasions. 16:1531–1544 Tamura M., Nishanth T. (2014) Plant litter chemistry and microbial priming regulate the accrual composition and stability of soil carbon in invaded ecosystems. New Phytol. 203: 110–124 United States Department of Agriculture (2016) National Invasive Species Information Center. Retrieved 4/24/16 from http://www.invasivespeciesinfo.gov/plants/knotweed.shtml Vanderklein D. W., Galster J., Scherr R. (2014) The impact of Japanese knotweed on stream baseflow. Ecohydrology 7: 881–886 Vivanco J. M., Bais H. P., Stermitz F. R., Thelen G. C., Callaway R. M. (2004) Biogeographical variation in community response to root allelochemistry: novel weapons and exotic invasion. Ecol. Lett. 7: 285–292 Wolfe L. M. (2002) Why alien invaders succeed: support for the escape-from-enemy hypothesis. Am. Nat. 160: 705–711 Wolfe B. E., Klironomos J. N. (2005) Breaking new ground: soil communities and exotic plant invasion. Bioscience 55: 477–487