History of knotweed (FOllopiO spp.) invasiveness Author Drazan, Dallas Graduate Research Assistant, Department of Horticultural Science, University of Minnesota, St. Paul, MN, USA; Author Smith, Alan G. Professor, Department of Horticultural Science, University of Minnesota, St. Paul, MN, USA; Author Anderson, Neil O. Professor, Department of Horticultural Science, University of Minnesota, St. Paul, MN, USA; Author Becker, Roger Professor and Extension Agronomist, Department of Agronomy and Plant Genetics, University of Minnesota, St. Paul, MN, USA Author Clark, Matthew Assistant Professor, Department of Horticultural Science, University of Minnesota, St. Paul, MN, USA text Weed Science 2021 Cambridge, England 2021-09-13 69 6 617 623 http://dx.doi.org/10.1017/wsc.2021.62 journal article 299556 10.1017/wsc.2021.62 97314b8e-153e-4947-b4e6-7481d665cf73 1550-2759 12534128

Table 1. Summary of change in nomenclature of Fallopia japonica since its first classification in 1777.

Past taxonomic classification of F. japonica	Authority	Year
			aBailey and Conolly 2000. bBeerling et al. 1994. cBailey and Stace 1992. dDecraene and Akeroyd 1988.
Reynoutria japonica	Houttuyna,b	1777
Polygonum sieboldii	Reinw. a	1848
Polygonum cuspidatum	Sieb. & Zucc. a	1846
Polygonum reynoutria	Makinoa	1901
Classified as Fallopia	Decraene & Akeroydc,d	1988