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  2. Polygonum aviculare - Wikipedia

    en.wikipedia.org/wiki/Polygonum_aviculare

    Polygonum aviculare or common knotgrass is a plant related to buckwheat and dock.It is also called prostrate knotweed, birdweed, pigweed and lowgrass.It is an annual found in fields and wasteland, with white flowers from June to October.

  3. Polygonum arenastrum - Wikipedia

    en.wikipedia.org/wiki/Polygonum_arenastrum

    Polygonum arenastrum, commonly known as equal-leaved knotgrass, [2] is a summer annual flowering plant in the knotweed family Polygonaceae.Other common names include common knotweed, prostrate knotweed, mat grass, oval-leaf knotweed, [3] stone grass, wiregrass, and door weed, as well as many others.

  4. Polygonum - Wikipedia

    en.wikipedia.org/wiki/Polygonum

    Polygonum is a genus of about 130 species of flowering plants in the buckwheat and knotweed family Polygonaceae. Common names include knotweed and knotgrass (though the common names may refer more broadly to plants from Polygonaceae). In the Middle English glossary of herbs Alphita (c. 1400–1425), it was known as ars-smerte.

  5. Polygonum minimum - Wikipedia

    en.wikipedia.org/wiki/Polygonum_minimum

    Polygonum minimum is an annual herb producing slender, stiff, zigzag-angled reddish stems up to 30 centimeters (1 foot) long, growing prostrate or erect. The leaves are lance-shaped to widely oval or nearly round and are located all along the stems but most crowded near the tips.

  6. Polygonum paronychia - Wikipedia

    en.wikipedia.org/wiki/Polygonum_paronychia

    Polygonum paronychia is a species of flowering plant in the knotweed family known by the common names dune knotweed, black knotweed, and beach knotweed. [1] It is native to the coastline of western North America from British Columbia to California, where it grows in sandy coastal habitat such as beaches, dunes, and scrub.

  7. Polygonum basiramia - Wikipedia

    en.wikipedia.org/wiki/Polygonum_basiramia

    Polygonum basiramia (synonym Polygonella basiramia) is a rare species of flowering plant in the knotweed family known by the common names wireweed, hairy wireweed, purple wireweed, and Florida jointweed. It is endemic to Florida in the United States, where it is limited to the central ridges of the peninsula, including the Lake Wales Ridge. It ...

  8. Polygonum fowleri - Wikipedia

    en.wikipedia.org/wiki/Polygonum_fowleri

    Polygonum fowleri, commonly called Fowler's knotweed or Hudsonian knotweed, is a plant species native to the seashores of the northern part of North America.It has been reported from every Canadian province and territory except Alberta and Saskatchewan, as well as from Maine, Alaska, Washington, Oregon, California, and St. Pierre & Miquelon.

  9. Bistorta bistortoides - Wikipedia

    en.wikipedia.org/wiki/Bistorta_bistortoides

    Bistorta bistortoides (American bistort, western bistort, smokeweed, mountain meadow knotweed, mountain buckwheat or mountain meadow buckwheat) is a perennial herb in the buckwheat and knotweed family Polygonaceae.