The japanese knotweed manual the management and control of an invasive alien weed fallopia japonica

Artfakta från SLU ArtdatabankenThe Japanese Knotweed Manual: The Management And Control Jan 01, 2007Best Management Practices in Ontario 1 Introduction Japanese Knotweed (Fallopia japonica) is an invasive, perennial herbaceous plant that is also known as Mexican Bamboo, Fleeceflower, Japanese Polygonum or Huzhang. The scientific names of Polygonum cuspidatum or Reynoutria japonica are also used. For the purposes of this document, this plant will beJul 06, 2013Integrated Pest Management (IPM) based control methods for Japanese knotweed. Japanese knotweed in flower Regulatory statement: Japanese knotweed is a listed prohibited invasive species in the State of New Hampshire, and as such: “no person shall collect, …Knotweed Management Strategies in North America with the Advent of Widespread Hybrid Bohemian Knotweed, Regional Differences, and the Potential for Biocontrol Via the Psyllid Aphalara itadori Shinji. Invasive Plant Science and Management. 9:60-70. • Dick Shaw. 2013. Fallopia japonica (Japanese knotweed) Datasheet. CAB Europe.Inger Sundheim Fløistad - Nibio - Nibio - NibioJapanese Knotweed: Unearthing the Truth- Buy Online in The Japanese Knotweed Company is Ireland’s leading Knotweed control company, we specialise in the treatment, control and eradication of Japanese Knotweed throughout the island of Ireland. About Japanese Knotweed Japanese Knotweed (Fallopia Japonica) is a non-native, alien invasive plant species that is rated among the 100(1992). Regeneration of Fallopia japonica, Japanese Knotweed, from rhizome and stems: Observation from greenhouse trials. (1995). Relating invasion success to plant traits: an analysis of the Czech alien flora. (1994). Reproductive biology and fertility of Fallopia japonica (Japanese Knotweed) and its hybrids in the British Isles. (1993).Polygonum sachalinense, P. cuspidatum, P. × bohemicumOnline Plant Talk Classes | Botany Every DayBlog - Coastal Invasive Species CommitteeJapanese Knotweed | Ontarios Invading Species Awareness Coastal Invasive Plant Committee SEPTEMBER 2012 E-Newsletter I – CIPC News and UpdatesII – Upcoming EventsIII – People in ActionIV – Local NewsV – BC and International NewsVI – Resources and Tidbits Photo: Meadow Knapweed I – CIPC News and Updates The field season is coming to a …Avoid spraying - at best, using herbicides to control knotweed will cause it to go into a dormant state. Sometimes for up to 20 years! Treating knotweed at the wrong time of the year or with the wrong herbicide can be more detrimental in the long run. You are best to leave it to an expert. Never compost knotweed vegetation.Invasive species in Europe: ecology, status, and policy B. P. Colleran and K. E. Goodall, In situ growth and rapid response management of flood-dispersed Japanese knotweed (Fallopia japonica), Invasive Plant Science and Management, vol. 7, pp. 84-92, 2014.Inwazyjne gatunki roślin ekosystemów mokradłowych Polski Redakcja: Zygmunt Dajdok i Paweł Pawlaczyk WYDAWNICTWO KLUBU PRZYRODNIKÓW ŚWIEBODZIN 2009 INWAZYJNE GATUNKI ROŚLIN EKOSYSTEMÓW MOKRADŁOWYCH POLSKI Wydawnictwo Klubu Przyrodników, ul. 1 Maja 22, 66-200 Świebodzin tel./fax: 0683828236, e-mail: [email protected] Świebodzin 2009 …Fallopia japonica je silný kompetítor, schopný obsadzovať priestor rozrastaním svojho výhonkového systému (CHRTEK, 1990). 3.2.2 Pohánkovec sachalínsky (Fallopia sachalinensis) The Japanese Knotweed manual: In The management and control of an Invasive Alien Weed. B. m.: Chichester, 1995. s. 69-71. 1-85341-127-2.FACT SHEET JAPANESE KNOTWEEDJapanese knotweed (Fallopia japonica) (Kyle Strauss) Center image: spotted knapweed (Centaurea biebersteinii) (, Steve Dewey) Graphic designer: Jenny Beranek, Beaverton, OR. Papers were provided by the authors in camera-ready form for printing. Authors are …Japanese Knotweed Fallopia japonica Buckwheat family (Polygonaceae) NATIVE RANGE Eastern Asia DESCRIPTION Japanese knotweed is an upright, shrublike, herbaceous perennial that can grow to over 10 feet in height. As with all members of this family, the base of the stem above each joint is surrounded by a membranous sheath. Stems ofJun 14, 2012An invasive plant is an alien plant whose introduction does or is likely to cause economic or control and management, restoration, and organizational collaboration (USDA Forest (Fallopia japonica) Japanese knotweed 87 One isolated population observed near bunkhouses.Nov 01, 2000The Japanese Knotweed Manual: The Management And Control The Japanese knotweed manual: the management and control of an invasive alien weed. Abstract This manual is as much concerned with preventing an outbreak of the weed ( Fallopia japonica [ Reynoutria japonica ]) in an area as it is with its containment when the plant is already established.Japanese Knotweed and residential property The management and control of an alien weed Packard Publishing, Chichester 2000 Wet Grasslands. Guidelines for Management and Restoration RSPB, Sandy 1999 Other authors. Fallopia japonica in the British Isles: the traits of an invasive species and implications for management Extending the Timeframe for Rapid Response and Best Invasive_Species_presentation - Google SlidesApr 01, 2003Sep 01, 2017Hybridization and Sexual Reproduction in the Invasive Nov 01, 2000Japanese Knotweed - Ontario Invasive Plant CouncilGISDManagement of invasive plant species in the valley of the Inger Sundheim Fløistad - Nibio - Nibio - NibioThe influence of invasive Fallopia taxa on resident plant species in two river valleys (southern Poland) 2015 / Damian Chmura, Barbara Tokarska-Guzik, Teresa Nowak, Gabriela Woźniak, Katarzyna Bzdęga, et [email protected] Hybrid Japanese KnotweedThe Japanese Knotweed Manual The Management And …Jun 30, 2015the psyllid Aphalara itadori, as a biological control agent for the non-native invasive plant species Fallopia japonica (Japanese Knotweed) in The Netherlands. The request is made on behalf of the Bureau for Risk Assessment and Research Programming (BuRO) of TheChild L, Wade M, 2000. The Japanese knotweed manual: the management and control of an invasive alien weed. The Japanese knotweed manual: the management and control of an invasive alien weed, xi + 123 pp. Child LE, Wade PM, and Wagner M, 1998. Cost effective control of Fallopia japnonica using combination treatments.Japanese Knotweed (Fallopia Japonica) | Property HiveThe rapid spread of invasive plants makes their management increasingly difficult. Remote sensing offers a means of fast and efficient monitoring, but still the optimal methodologies remain to be defined. The seasonal dynamics and spectral characteristics of the target invasive species are important factors, since, at certain time of the vegetation season (e.g., at flowering or senescing Optimising physiochemical control of invasive Japanese Manual Of Weed Control de D.V.Bhagat et dautres livres, articles dart et de collection similaires disponibles sur japonica. Delivering Alien Invasive Species Inventories for Europe (DAISIE) Scott, R., and R.H. Mars (1984). Impact of Japanese knotweed and methods of control. Aspects of applied biology 5, Weed control and . vegetation management in forestry and amenity areas . Seiger, L. A. 1991. Element stewardship abstract forJan 24, 2007Swiss Centre Annual Report 2012 by CABI - IssuuHow to Remove Japanese Knotweed - The SpruceAlong The Wall And Watchtowers: A Journey Down Germanys Divide Oliver August, The Circus Age: Culture And Society Under The American Big Top Janet M. Davis, MFC Internals: Inside The Microsoft(c) Foundation Class Architecture George Shepherd And Scot Wingo, Medical Office Administration - Text And MediSoft Version 14 Demo CD Package: A Worktext, 2e Brenda A. Potter BS CPC-I CPCInvasive species are a significant threat to many native habitats and species of the United States and a significant cost to agriculture, forestry, and recreation. The term "invasive species" can refer to introduced or naturalized species, feral species, or introduced diseases.There are many species that are invasive. Some species, such as the dandelion, while non-native, do not cause BEST MANAGEMENT PRACTICES FOR Knotweed SpeciesJul 25, 2018Stanowisko Fallopia japonica (Houtt.) Ronse Decr. w Europäischer Universitätsverlag(2000). The Japanese knotweed manual: the management and control of an invasive alien weed. (2002). The life history of Salicaceae living in the active zone of floodplains. (2009). The London Rivers Action Plan. River Restoration Centre, (1992). The Lost Rivers of London.Jan 01, 2011Mar 15, 2010Invasive Plants - Kansas Native Plant SocietyJapanese knotweed ( Fallopia japonica ), originally from Asia, is a non-native invasive species that has established stands along several roads and streams in Greene County. Once established, this perennial shrub spreads quickly. There is concern that Japanese knotweed has negative impacts on streambank stability, thereby contributing to The Japanese Knotweed Manual: The Management and Control Invasive Species Introduce the session - today we are going to look at invasive species. We will talk about: What an invasive species is, and how it differs from introduced species Some examples of invasive species What characteristics make a successful invader Different ways invasive species canNOBANIS – Invasive Alien Species Fact Sheet – Fallopia japonica . – From: Online Database of the North European and Baltic Network on Invasive Alien Species – NOBANIS Date of access: 3 0/12/2007. - Allison S.D. & Vitousek P.M., 2004. Rapid nutrient cycling in leaf litter from invasive …Book : The Japanese knotweed manual: the management and control of an invasive alien weed 2000 pp.xi + 123 pp. Abstract : This manual is as much concerned with preventing an outbreak of the weed ( Fallopia japonica. fallopia japonica Subject Category: Organism Names.Read finalworkingknotweedbmp.p65NEW YORK cuspidtum - New York Invasive Species InformationFootball Confidential 2: Scams, Scandals And Screw Ups (Bk, How To Get Into HBS, Wharton, AND Stanford: A Proprietary Guide To Breaking Into The Top Business Schools Paul Walzer, Europe On 5 Dollars A Day Arthur Frommer, Microsoft FrontPage 2000: Complete Concepts And Techniques (Shelly Cashman) Michael MickEffect of humidity and temperature on the performance of Bibliographie - SołtysiakPolygonum sachalinense | Encyclopedia of Puget SoundThe Japanese Knotweed Manual: The Management and Control Summary: The Japanese Knotweed Alliance was established in November 1999 to highlight the problems posed by this invasive weed and to promote its natural control with biological predators in Europe where such control is poorly understood. It provides valuable information about the plant, its problems and the potential for biological control as The Japanese knotweed manual: the management and control of an invasive alien weed. Chichester, UK: Packard Publishing Ltd. I England tenderar etablerade bestånd av parkslide vid floder att ha en liknande markflora som klibbalskogar, eftersom parkslide ger en liknande skugga under sommarmånaderna (GB Non-native species secretariat 2015).japanese knotweed polygonum: Topics by Science.govMultiple competitive mechanisms underlie the effects of a Természetvédelmi kezelés | Invazív növények irodalomjegyzékI. La Renouée du Japon - Fallopia japonicaEU funding for management and research of invasive alien species in Europe (prepared as support for a pilot project on ‘Streamlining European 2010 Biodiversity Indicators (SEBI2010)’, Contract no. 3603/B2007.EEA.53070). Cost of control Japanese knotweed (Fallopia japonica) - terrestrial plant W., Lewis, S and Hughes, L., 2001. The Abstract: The hybrid Fallopia ×conollyana (F. japonica var. japonica × F. baldschua-nica), which is extremely rare in Europe, was detected in Essen (Germany, North Rhine-Westphalia, TK 4507/2) in 2017 and observed over a period of two years. Findings, habitat, history of discovery, dispersal in Europe as well as hints for determination are Moreover, although invasive alien. Control of the invasive alien species The control or eradication of the invasive alien species is not a goal of their management in itself, but only one way to achieve higher goals, such as biodiversity conservation, protection of human health and prevention of economic losses.The Herbicide Handbook 2003 PT2.pdfEffective management of invasive plants preserves biodiversity values, reduces economic costs, and minimizes negative impacts on human well-being. Prevention, the most cost-effective approach to invasive plant management, focuses on predicting species occurrences in high-risk areas and fosters the public’s awareness of invasive plants. This study aims to contribute to the aforementioned Jan 01, 2015[BOOK] The Japanese knotweed manual: the management and control of an invasive alien weed. L Child, M Wade – 2000 – This manual is as much concerned with preventing an outbreak of the weed (FallopiaRead "Control of Invasive Species" at NAP.eduJapanese knotweed - Invasive Species IrelandInvasive Plants | City of North VancouverFlowers are much larger, varying in colour from white to pink, and appear in clusters on the ends of stems. In 2003, the Government estimated that it would cost £1.56 billion to control this plant across the country. Unit 12, Hunns Mere Way, Woodingdean, Brighton. Japanese knotweed is susceptible to a range of herbicides including glyphosates, such as ‘Roundup biactive’ and ‘Glyphos How To Remove Japanese Knotweed - BBC Gardeners World What are their impacts for BC? | Invasive Species Council Weeds everywhereDec 31, 2018Japanese knotweed, Fallopia japonica var. japonica, causes significant disruption to natural and managed habitats, and provides a model for the control of invasive rhizome-forming knotweedApr 30, 2019Football Confidential 2: Scams, Scandals And Screw Ups (BkFallopia japonica (Japanese knotweed)Tree weeds. Vine weeds. Arum Lily, Calla Lily, White Arum Lily, Lily of the Nile, Egyptian Lily, Jack in the Pulpit, Florist’s Calla, Garden Calla, Pig Lily, Trumpet Lily, St Joseph’s Arum Lily, Funeral Flower, Death Lily. Wild Rice, Manchurian Wild Rice, Asian Wild Rice, Water Bamboo, Texas Wild Rice, Northern Wild Rice, Southern Wild Rice.FALLOPIA JAPONICA (HOUTT.) RONSE DECR. (POLYGONACEAE…Environmental Management, 2012. Arnaud Monty. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. READ PAPER. Can Land Managers Control Japanese Knotweed? Lessons from Control Tests in Belgium. Download.Efficiently deep learning for monitoring Ipomoea cairica CORESustainability | Free Full-Text | Using RPL Model to Probe Nowadays in British Columbia four knotweed species are present: Japanese knotweed (Fallopia japonica), Giant knotweed (Fallopia sachalenensis), Bohemian knotweed (Fallopia x bohemica), and Himalayan knotweed (Polygonum polystachyum). All four . Some native plants are invasive, too, e.g., snowberry in Garry oak ecosystems.Invasive Alien Species of Vascular Plants in Bulgaria Integrated weed management—an introductory manual). Increased maintenance costs to public parks and private property, devaluing real estate. For example, due to the explosion of leafy spurge ( Euphorbia esula ), Manitoba has experienced a $30 million reduction in land values (Source: Invasive Alien Plants in Canada Summary Report by the plants, like Japanese honeysuckle, multiflora rose, Japanese knotweed, and oriental bittersweet. In yards, gardens, fields, and parks these plants are very expensive to control. What can I do? The best insurance against future problems is to . avoid the use of known invasive plants. and educate others about the problems of invasives.Regeneration and growth in crowns and rhizome fragments of The Japanese knotweed manual: the management and control Strasbourg, 22 May 2002Knotweed Complex Fallopia spp./ Polygonum, Polygonaceae (Knotweed Family) Category: Prohibited Noxious Knotweed, Giant Fallopia sachalinensis knotweed, hybrid Japanese Fallopia x bohemica knotweed, Japanese Fallopia japonica. Life Cycle: Herbaceous perennial. Root: Rhizomatous. Leaves: Alternate, stalked, broadly oval to triangular and pointed Child L, Wade M (2000) The Japanese Knotweed Manual: The Management and Control of an Invasive Weed. DPS Partnership Ltd, Burgess Hill Delbart E, Mahy G, Weickmans B, Henriet F, Crémer S, Pieret N, Vanderhoeven S, Monty A (2012) Can Land Managers Control Japanese Knotweed? Lessons from Control Tests in Belgium.Max Wade - Technical Director - AECOM | LinkedInGMOs | Richard Dawkins Foundation for Reason and ScienceBailey, JP (1994) Reproductive biology and fertility of Fallopia japonica (Japanese knotweed) and its hybrids in the British Isles. In: LC De Waal, LE Child, PM Wade and JH Brock. Ecology and management of invasive riparian plants. John Wiley and Sons, Chichester, pp. 141-158Plant growth. Plant growth: Japanese knotweed exhibits rapid growth [ 98 ]. Over the New Jersey growing season of approximately 80 days, the average rate of Japanese knotweed growth was 3.28 inches (8.35 cm)/day [ 74 ]. In the Pacific Northwest, Japanese knotweed stems reached 10 feet (3 m) by June [ 115 ].Kjempeslirekne - PlantevernleksikonetJapanese knotweed ( Fallopia japonica var. japonica [Houtt.] Ronse Decraene) (Fig.1) was introduced to North America in the late 19th century (Pridham and Bing, 1975; Patterson, 1976; Conolly, 1977). It rapidly spread to become a problem weed, mirroring its history in the United Kingdom and Europe where it has been present since the 1840s The Japanese knotweed plant (Fallopia japonica) tends to grow in clumps and can grow up to 13 feet (3.9 m.) tall in the right conditions, but is often smaller than this. The leaves are heart shaped and about the size of your hand, and have a red vein running down their center.fallopia baldschuanica invasiveINFORMACJE DOTYCZĄCE DRÓG PRZENOSZENIAJapanese knotweed (Fallopia japonica)Japanese knotweed is one of the UKs worst weeds and a bane to developers, potentially adding 10% to costs if found on site. Introduced into the UK from Japan in the first half of the 19th century, Japanese knotweed has spread throughout much of the country, invading riparian habitats and waste ground where Manual of the Alien Plants of Belgium Overview: Hybrid Japanese knotweed is a tall, rhi-zomatous, perennial herb that is a cross be-tween Giant knotweed (F. sachalinensis) and Japanese knotweed (F. japonica).* It is fast growing, long lived, and reproduces primarily vegetatively via rhizomes. Roots can extend 2-7 m away from the root crown.The Japanese Knotweed Manual is as much concerned with preventing an outbreak of the weed in an area as it is with its containment when the plant is already established. Essential information and management guidelines are presented together with colour and black & white photographs, diagrams and case studies from Europe, Japan and North America.Japanese knotweed ( Fallopia japonica ): an analysis of Low genetic variation of invasive Fallopia spp. in their The Japanese Knotweed Manual: The Management and Control Cut and inject herbicide control of Japanese knotweed Japanese knotweed (Polygonum cuspidatum) is a resilient, invasive nonnative plant species in North America.It was originally introduced as an ornamental plant (Beerling et al. Reference Beerling, Bailey and Conolly 1994) and has become an aggressive invader of natural areas, where it can outcompete with and eliminate other plant species (Aguilera et al. Reference Aguilera, Alpert, Dukes and M L Hollingsworth J P Bailey (2000) ArticleTitle Evidence for massive clonal growth in the invasive weed Fallopia japonica (Japanese knotweed) Bot. J. Linn. Soc. 133 463–472 Occurrence Handle 10.1006/bojl.2000.0359Japanese Knotweed kopen | check out japaniese on ebayPolygonum cuspidatum | Encyclopedia of Puget SoundJapanese Knotweed – Profile and Resources | Invasive Alien species are those that are not native to the UK and have an invasive nature that reduces ecological diversity of habitats (e.g. Japanese knotweed (Fallopia japonica), Himalayan balsam (Impatiens glandulifera) and giant hogweed (Heracleum mantegazzianum)).They are not to be confused with injurious weeds (Weeds Act, 1959) that are invasive, but are native to the UK (spear thistle Cirsium Britain’s most pernicious plant: Japanese knotweed. Views , 33, 21-23. Eileen J. (2002) Development of Good Practice for the use of the injection method of herbicide application to control Japanese knotweed (Fallopia japonica). Camborne School of Mines, University of Exeter, UK. Ford S. (2004) Cut and inject herbicide controlSep 05, 2020Artfakta från SLU ArtdatabankenTypes of Hawkweed Invaders. The most invasive of the European species are the yellow, orange and mouse ear hawkweeds (H. pilosella).Orange hawkweed (H. aurantiacum) is the most common form of the weed in western North America.The yellow variety (H. pratense) is also referred to as meadow hawkweed, but there are also yellow devil and king devil hawkweeds.Inwazyjne gatunki roślin ekosystemów mokradłowych Polski365 Creative Ways To Beat Stress (365 Perpetual Calendars Fungal pathogens as classical biological control agents Jun 12, 2019A viability study of Fallopia japonica stem tissue - De The use of molecular markers to study patterns of genotypic diversity in some invasive alien Fallopia spp. (Polygonaceae). Molecular Ecology. 7(12): 1681-1691. [77549] 61. Hollingsworth, Michelle L. 2000. Evidence for massive clonal growth in the invasive weed Fallopia japonica (Japanese knotweed). Botanical Journal of the Linnean Society.Habitat rehabilitation for inland fisheries. Global review Invasive Hawkweed Control - How To Get Rid Of Hawkweeds many alien species are non-invasive and support human livelihoods or a preferred quality of life. The Threats from Invasive Species is described by the Center for Invasive Species and Ecosystem Health. List of Plants. Many non-native Kansas plants are invasive. The following plants are the most invasive …Jan 26, 2013In this study, fermentation-based organic fertilizer (OF) was produced from the aboveground parts of Fallopia japonica (Houtt.) Ronse Decr. The quantity of N in OF (17.2 kg t−1 fresh lactic-fermented OF) was higher than average in cattle farmyard manure, but on a comparable level to solid poultry and rabbit manure. The OF was applied on a field to evaluate its effect on Chinese cabbage.Jun 08, 2020Japanese Knotweed Removal Brighton | Japanese Knotweed Optimising physiochemical control of invasive Japanese The Japanese Knotweed Manual: The Management and Control of an Invasive Alien Weed (Fallopia japonica) by Child, Lois Elizabeth; Wade, Paul Maxwell at - ISBN 10: 1853411272 - ISBN 13: 9781853411274 - Packard Publishing Ltd - 2000 - SoftcoverInvasive Plants - westhamptongardenclub.orgMay 01, 2009Oct 15, 2012The Japanese Knotweed Manual: The Management And Control Review: Physiological Approaches to the Improvement of Eradicate Japanese Knotweed Through Treatment | IWMBEST PRACTICE MANAGEMENT GUIDE FOR INVASIVE ALIEN SPECIES 2 GOOD PRACTICE MANAGEMENT GUIDE FOR Japanese knotweed (Fallopia japonica) Other names: Also known as Polygonum cuspidatum by Japanese and American authors but, following Meissners 1856 classification, as Fallopia japonica in EuropeStart by Cutting Down Japanese Knotweed Canes. Cutting down the canes on Japanese Knotweed …Invasive Species - (Fallopia japonica) Prohibited in Michigan Japanese knotweed is a perennial shrub that can grow from 3 - 10 feet high. It has hollow stalks that are persistent through the winter and look similar to bamboo. The stems have a fine white coating that rubs off easily. The flowers are arranged in spikes near the end of the stems that are small, numerous and creamy white in color.About Invasive Species-2 – SSISCReynoutria japonica - WikipediaDownload PDF, EPUB, MOBI The Japanese Knotweed Manual The Management and Control of an Invasive Alien Weed (fallopia Japonica) Read book from ISBN numberSubaru - My Dirty Mistress 01; Communication Skills and Strategies Guidelines for Managers at Work; A Cultural History of Western Empires Volumes 1-6Chapter 12 Japanese Knotweed - Biological Control of The management of three alien invasive riparian plants: Impatiens glandulifera (Himalyan balsam), Heracleum mantegazzianum (giant hogweed) and Fallopia japonica (Japanese knotweed). In D.M. Harper & A.J.D. Ferguson, eds. The ecological basis for river management, pp. 315-321. New York, John Wiley & Sons. 614 pp.Weeds AustraliaProceedings of Biological Control of Weeds | Biological The Japanese Knotweed Manual: The Management and Control Free essays, homework help, flashcards, research papers, book reports, term papers, history, science, politicsDec 12, 2014About Invasive Species – SSISCand other control measures. Aquatic invasive plants can also impact fish stocks, choke waterways, and reduce the recreational uses of riv- economic costs associated with alien-invasive species in the United States. Ecological Economics 52: 273 – 288. Fallopia japonica Japanese knotweed Froelichia gracilis CottonweedGlobal Invasive Species DatabaseDownload PDF, EPUB, MOBI The Japanese Knotweed Manual The 4 YUSO 2017 Invasive Species Answer Key - Scioly.orgParkslirekne - PlantevernleksikonetThe Runaway Fairy (Medici books for children) PDF Download4.2 Japanese knotweed (Fallopia japonica) Japanese knotweed, a herbaceous, rhizomatous. perennial belonging to the. Polygonaceae, was introduced as an ornamental. from eastern Asia into Europe. during the 1800s (Child & Wade 2000). Relatively uncommon in its native range. in Japan (Evans 2003), the plant is an. aggressive invader in its exotic Nov 22, 2016