Taxon: Reynoutria japonica Houtt.

Summary

Genus:

Reynoutria

Family:

Polygonaceae

Subfamily:

Polygonoideae

Tribe:

Polygoneae

Nomen number:

400616

Place of publication:

Handl. pl.- kruidk. 8:639. 1773-1783

Verified:

10/28/2011 ARS Systematic Botanists.

Accessions:

1 (0 active, 0 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Homotypic Synonym(s)
Fallopia japonica (Houtt.) Ronse Decr.
Fallopia japonica (Houtt.) Ronse Decr. var. japonica
Polygonum reynoutria Makino

Heterotypic Synonym(s)
Polygonum cuspidatum Siebold & Zucc.
Polygonum cuspidatum Siebold & Zucc. var. compactum (Hook. f.) L. H. Bailey
Polygonum cuspidatum Siebold & Zucc. var. cuspidatum

No images

Conservation Status

Reference(s)

University of Georgia Center for Invasive Species and Ecosystem Health
Allan, H. H. B. et al. 1961-. Flora of New Zealand.
Czerepanov, S. K. 1995. Vascular plants of Russia and adjacent states (the former USSR) Cambridge University Press.
Galasso, G. 2011. Review of Polygonaceae data for World Economic Plants, ed. 2. pers. comm.
Greuter, W. et al., eds. 1984-. Med-Checklist. Note: = Fallopia japonica (Houtt.) Ronse Decr.
Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
Kartesz, J. T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. Note: = Polygonum cuspidatum Sieb. & Zucc.
Markle, G. M. et al., eds. 1998. Food and feed crops of the United States, ed. 2 Note: = Polygonum cuspidatum Sieb. & Zucc.
Ohwi, J. 1965. Flora of Japan (Engl. ed.). Note: = Polygonum cuspidatum Sieb. & Zucc.
Ronse Decraene, L.-P. & J. R. Akeroyd. 1988. Generic limits in Polygonum and related genera (Polygonaceae) on the basis of floral characters. Bot. J. Linn. Soc. 98:369. Note: = Fallopia japonica (Houtt.) Ronse Decr.
Tutin, T. G. et al., eds. 1993. Flora europaea, ed. 2.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
2018. Mid-Atlantic invasive plant species (on-line resource)

Common names

Language	Name	note	seq	Citation
English	Japanese knotweed		1	Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
English	Mexican-bamboo	as Polygonum cuspidatum	1	Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2 Note: = Polygonum cuspidatum Siebold & Zucc.
German	japanischer Flügelknöterich	as Fallopia japonica	2	Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen 1413. Note: as Fallopia japonica
Japanese Rōmaji	itadori	as Polygonum cuspidatum	2	Ohwi, J. 1965. Flora of Japan (Engl. ed.). Note: = Polygonum cuspidatum Siebold & Zucc.
Swedish	parkslide		2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Swedish	rosenslide		2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Transcribed Chinese	hu zhang		2	Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Asia-Temperate	China	China	Anhui Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Fujian Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Gansu Sheng	n.	Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Guangdong Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Guangxi Zhuangzu Zizhiqu		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Guizhou Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Hainan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Henan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Hubei Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Hunan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Jiangsu Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Jiangxi Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Shaanxi Sheng	n.	Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Shandong Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Sichuan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Yunnan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	China	China	Zhejiang Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
1	Native	Asia-Temperate	Eastern Asia	Japan	Hokkaidô	s.w.	Iwatsuki, K. et al. 1993-. Flora of Japan.
1	Native	Asia-Temperate	Eastern Asia	Japan	Honshu		Iwatsuki, K. et al. 1993-. Flora of Japan.
1	Native	Asia-Temperate	Eastern Asia	Japan	Kyushu		Iwatsuki, K. et al. 1993-. Flora of Japan.
1	Native	Asia-Temperate	Eastern Asia	Japan	Ryukyu Islands		Iwatsuki, K. et al. 1993-. Flora of Japan.
1	Native	Asia-Temperate	Eastern Asia	Japan	Shikoku		Iwatsuki, K. et al. 1993-. Flora of Japan.
1	Native	Asia-Temperate	Eastern Asia	Korea, South			Iwatsuki, K. et al. 1993-. Flora of Japan.
1	Native	Asia-Temperate	Eastern Asia	Taiwan			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions
2	Cultivated					also cult.	Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
4	Naturalized	Australasia	Australia	Australia			Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
4	Naturalized	Australasia	New Zealand	New Zealand	North Island		Allan, H. H. B. et al. 1961-. Flora of New Zealand.
4	Naturalized	Australasia	New Zealand	New Zealand	South Island		Allan, H. H. B. et al. 1961-. Flora of New Zealand.
4	Naturalized	Europe	Eastern Europe	Belarus			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Eastern Europe	Latvia			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Eastern Europe	Lithuania			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Eastern Europe	Ukraine			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Middle Europe	Austria			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Middle Europe	Belgium			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Middle Europe	Czech Republic			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Middle Europe	Germany			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Middle Europe	Hungary			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Middle Europe	Netherlands			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Middle Europe	Poland			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Middle Europe	Slovakia			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Middle Europe	Switzerland			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Northern Europe	Denmark			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Northern Europe	Finland		s.	Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Northern Europe	Ireland			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Northern Europe	Norway		s.	Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Northern Europe	Sweden		s.	Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Northern Europe	United Kingdom			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Southeastern Europe	Bulgaria			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Southeastern Europe	Italy		n.	Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Southeastern Europe	Romania			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Southeastern Europe	Slovenia			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Southwestern Europe	France			Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Southwestern Europe	Portugal		n.	Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Europe	Southwestern Europe	Spain		n.	Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
4	Naturalized	Northern America	Eastern Canada	Canada	New Brunswick		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Eastern Canada	Canada	Newfoundland and Labrador		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Eastern Canada	Canada	Nova Scotia		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Eastern Canada	Canada	Ontario		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Eastern Canada	Canada	Prince Edward Island		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Eastern Canada	Canada	Québec		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Eastern Canada	St. Pierre and Miquelon			FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	Illinois		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	Iowa		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	Kansas		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	Minnesota		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	Missouri		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	Nebraska		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	Oklahoma		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	South Dakota		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	North-Central U.S.A.	United States	Wisconsin		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Connecticut		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Indiana		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Maine		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Massachusetts		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Michigan		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	New Hampshire		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	New Jersey		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	New York		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Ohio		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Pennsylvania		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Rhode Island		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	Vermont		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northeastern U.S.A.	United States	West Virginia		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northwestern U.S.A.	United States	Colorado		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northwestern U.S.A.	United States	Idaho		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northwestern U.S.A.	United States	Montana		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northwestern U.S.A.	United States	Oregon		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Northwestern U.S.A.	United States	Washington		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Arkansas		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Delaware		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	District of Columbia		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Georgia		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Kentucky		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Louisiana		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Maryland		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Mississippi		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	North Carolina		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	South Carolina		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Tennessee		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southeastern U.S.A.	United States	Virginia		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southwestern U.S.A.	United States	California		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Southwestern U.S.A.	United States	Utah		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Subarctic America	United States	Alaska		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Western Canada	Canada	British Columbia		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Northern America	Western Canada	Canada	Manitoba		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Southern America	Southern South America	Chile			Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.

Native
Asia-Temperate

CHINA: China [Anhui Sheng, Fujian Sheng, Gansu Sheng (n.), Guangdong Sheng, Guangxi Zhuangzu Zizhiqu, Guizhou Sheng, Hainan Sheng, Henan Sheng, Hubei Sheng, Hunan Sheng, Jiangsu Sheng, Jiangxi Sheng, Shaanxi Sheng (n.), Shandong Sheng, Sichuan Sheng, Yunnan Sheng, Zhejiang Sheng]
EASTERN ASIA: Japan [Hokkaidô (s.w.), Honshu, Kyushu, Ryukyu Islands, Shikoku], Korea, South, Taiwan

Cultivated (also cult.)
Naturalized
Australasia

AUSTRALIA: Australia
NEW ZEALAND: New Zealand [North Island, South Island]

Europe

NORTHERN EUROPE: Denmark, Finland (s.), United Kingdom, Ireland, Norway (s.), Sweden (s.)
MIDDLE EUROPE: Austria, Belgium, Switzerland, Czech Republic, Germany, Hungary, Netherlands, Poland, Slovakia
EASTERN EUROPE: Belarus, Lithuania, Latvia, Ukraine
SOUTHEASTERN EUROPE: Bulgaria, Italy (n.), Romania, Slovenia
SOUTHWESTERN EUROPE: Spain (n.), France, Portugal (n.)

Northern America

SUBARCTIC AMERICA: United States [Alaska]
EASTERN CANADA: Canada [Québec, Nova Scotia, Ontario, Prince Edward Island, New Brunswick, Newfoundland and Labrador], St. Pierre and Miquelon
WESTERN CANADA: Canada [Manitoba, British Columbia]
NORTHEASTERN U.S.A.: United States [Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia]
NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, Oklahoma, South Dakota, Wisconsin]
NORTHWESTERN U.S.A.: United States [Colorado, Idaho, Montana, Oregon, Washington]
SOUTHEASTERN U.S.A.: United States [Arkansas, Delaware, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, District of Columbia]
SOUTHWESTERN U.S.A.: United States [California, Utah]

Southern America

SOUTHERN SOUTH AMERICA: Chile

Reference(s)

Allan, H. H. B. et al. 1961-. Flora of New Zealand.
FNA Editorial Committee. 1993-. Flora of North America.
Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
Iwatsuki, K. et al. 1993-. Flora of Japan.
Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). Note: mentions

Economic Uses

Usage	Type	Note	Reference
Animal food	fodder	as Fallopia japonica	Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 Note: as Fallopia japonica
Environmental	ornamental	as Fallopia japonica	Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds Note: as Fallopia japonica
Environmental	ornamental	as Fallopia japonica	FNA Editorial Committee. 1993-. Flora of North America. Note: = Fallopia japonica (Houtt.) Ronse Decr.
Human food	vegetable	as Polygonum cuspidatum	Markle, G. M. et al., eds. 1998. Food and feed crops of the United States, ed. 2 Note: as Polygonum cuspidatum
Medicines	folklore	as Fallopia japonica	Duke, J. A. et al. 2002. CRC Handbook of medicinal herbs Note: as Fallopia japonica
Medicines	folklore	as Polygonum cuspidatum	Leung, A. Y. & S. Foster. 1996. Encyclopedia of common natural ingredients used in food, drugs, and cosmetics, ed. 2 Note: as Polygonum cuspidatum
Medicines	folklore	as Polygonum cuspidatum	McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2 American Herbal Products Association, Silver Spring, Maryland. Note: as Polygonum cuspidatum
Vertebrate poisons	mammals	as Polygonum cuspidatum	Cooper, M. R. & A. W. Johnson. 1998. Poisonous plants and fungi in Britain: animal and human poisoning
Weed	seed contaminant	potential; as Fallopia japonica	Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds Note: as Fallopia japonica
Weed	seed contaminant	potential; as Fallopia japonica	FNA Editorial Committee. 1993-. Flora of North America. Note: as Fallopia japonica
Weed	seed contaminant	potential; as Polygonum cuspidatum	Campbell, F. T., ed. 1995. Report of National Coalition of Exotic Plant Pest Councils (unpublished draft) Note: = Fallopia japonica (Houtt.) Ronse Decr.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=400616. Accessed 12 May 2026.