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  2. Reynoutria - Wikipedia

    en.wikipedia.org/wiki/Reynoutria

    Reynoutria is a genus of flowering plants in the Polygonaceae, also known as the knotweed or buckwheat family.The genus is native to eastern China, Eastern Asia and the Russian Far East, although species have been introduced to Europe and North America. [1]

  3. Vincetoxicum nigrum - Wikipedia

    en.wikipedia.org/wiki/Vincetoxicum_nigrum

    Black swallow-wort and Japanese knotweed invasive species advisory sign in Lake Allen, Cambridge Township, Michigan. The first sighting of Vincetoxicum nigrum in North America was recorded in Ipswich, Massachusetts in 1854. In 1864, a plant collector recorded that it was "escaping from the botanical garden where it is a weed promising to be ...

  4. Reynoutria japonica - Wikipedia

    en.wikipedia.org/wiki/Reynoutria_japonica

    Following earlier studies, imported Japanese knotweed psyllid insects Aphalara itadori, whose only food source is Japanese knotweed, were released at a number of sites in Britain in a study running from 1 April 2010 to 31 March 2014. In 2012, results suggested that establishment and population growth were likely, after the insects overwintered ...

  5. Gallerucida - Wikipedia

    en.wikipedia.org/wiki/Gallerucida

    Gallerucida bifasciata, Japanese knotweed leaf beetle. Gallerucida is a genus of skeletonizing leaf beetles in the family Chrysomelidae. There are at least 19 described species in Gallerucida. They are found in Indomalaya and eastern Asia. [1] [2]

  6. Knotweed - Wikipedia

    en.wikipedia.org/wiki/Knotweed

    Knotweed is a common name for plants in several genera in the family Polygonaceae. Knotweed may refer to: Fallopia; Persicaria; Polygonum; Reynoutria. Reynoutria japonica or Japanese knotweed, a highly invasive species in Europe and North America

  7. Aphalara itadori - Wikipedia

    en.wikipedia.org/wiki/Aphalara_itadori

    Aphalara itadori, the Japanese knotweed psyllid, is a species of psyllid from Japan which feeds on Japanese knotweed (Reynoutria japonica).. The UK Government licensed the use of this species as a biological control to counter the spread of Japanese knotweed in England; this was the first time that biological control of a weed was sanctioned in the European Union.

  8. Persicaria capitata - Wikipedia

    en.wikipedia.org/wiki/Persicaria_capitata

    Persicaria capitata, the pink-headed persicaria, [2] pinkhead smartweed, [3] pink knotweed, Japanese knotweed, or pink bubble persicaria, is an Asian species of plants in the genus Persicaria within the Polygonaceae (US: buckwheat) family.

  9. Persicaria tinctoria - Wikipedia

    en.wikipedia.org/wiki/Persicaria_tinctoria

    Common names include Chinese indigo, Japanese indigo and dyer's knotweed. [2] [3] [4] It is native to Eastern Europe and Asia. The leaves are a source of indigo dye. It was already in use in the Western Zhou period (c. 1045 BC – 771 BC), and was the most important blue dye in East Asia until the arrival of Indigofera from the south.

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