Pollinator plant

water smartweed

Persicaria amphibia

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Common names

41 names · 33 languages
EnglishYour language
+2 more namesShow fewer names
Other languages (32)
Dutch
French
Arabic
  • بطباط الماء[2]
  • بطباط طويل الجذور[2]
Belarusian
  • Драсён земнаводны, ці Вадзяная грэчка[2]
Chinese (Simplified)
Chinese (Traditional)
Croatian
  • Vodeni dvornik[2]
Czech
  • rdesno obojživelné[2]
Danish
  • Vand-pileurt[2]
Estonian
  • vesi-kirburohi[2]
  • vesi-kirbutatar[2]
Faroese
  • tjarnarbløðkuurt[2]
Finnish
German
Hungarian
  • kétéltű keserűfű[2]
  • Vidrakeserűfű[2]
Icelandic
  • Tjarnablaðka[2]
Italian
Japanese
  • エゾノミズタデ[2]
Korean
Latvian
  • Abinieku sūrene[2]
Lithuanian
  • Būdmainis rūgtis[2]
Norwegian
  • vasslirekne[2]
Ojibwe
  • Babigo-mashkiki[2]
Polish
  • Rdest ziemnowodny[2]
Portuguese
Russian
  • Горец земноводный[2]
Slovak
  • horčiak obojživelný[2]
Slovenian
  • vodna dresen[2]
Spanish
Swedish
  • vattenpilört[2]
Turkish
  • Yerdeğiştiren[2]
Ukrainian
  • Гірчак земноводний[2]
Welsh
  • Canwraidd y dŵr[2]
Sources & name notes (4)

Names recorded in our plant catalogue and botanical sources, grouped by language. Usage can vary by region.

Catalogue language labels are reviewed separately from botanical source records.

Numbered references identify names recorded by an external source. Other names are from our plant catalogue.

[1] Persicaria amphibia — iNaturalist taxon names ↗

Community-curated iNaturalist taxonomy. This is a common-name attestation, not an independent botanical determination.

Source records
  • water smartweed — results[0].names[1]; taxon id 78450; Persicaria amphibia.
  • Wasser-Knöterich — results[0].names[3]; taxon id 78450; Persicaria amphibia.
  • amphibious bistort — results[0].names[2]; taxon id 78450; Persicaria amphibia.
  • scarlet smartweed — results[0].names[8]; taxon id 78450; Persicaria amphibia.
  • water knotweed — results[0].names[4]; taxon id 78450; Persicaria amphibia.
  • chilillo de agua — results[0].names[25]; taxon id 78450; Persicaria amphibia.
  • Persicaire amphibie — results[0].names[30]; taxon id 78450; Persicaria amphibia.
  • renouée amphibie — results[0].names[6]; taxon id 78450; Persicaria amphibia.
  • Poligono anfibio — results[0].names[7]; taxon id 78450; Persicaria amphibia.
  • Veenwortel — results[0].names[11]; taxon id 78450; Persicaria amphibia.
  • Mal-casada — results[0].names[27]; taxon id 78450; Persicaria amphibia.
[2] Persicaria amphibia — iNaturalist taxon names ↗

Community-curated iNaturalist taxonomy; common-name attestation, not an independent botanical determination.

Source records
  • water smartweed — results[13].names[1]; taxon id 78450; Persicaria amphibia.
  • Wasser-Knöterich — results[13].names[3]; taxon id 78450; Persicaria amphibia.
  • amphibious bistort — results[13].names[2]; taxon id 78450; Persicaria amphibia.
  • scarlet smartweed — results[13].names[8]; taxon id 78450; Persicaria amphibia.
  • water knotweed — results[13].names[4]; taxon id 78450; Persicaria amphibia.
  • chilillo de agua — results[13].names[25]; taxon id 78450; Persicaria amphibia.
  • Persicaire amphibie — results[13].names[30]; taxon id 78450; Persicaria amphibia.
  • renouée amphibie — results[13].names[6]; taxon id 78450; Persicaria amphibia.
  • Poligono anfibio — results[13].names[7]; taxon id 78450; Persicaria amphibia.
  • Veenwortel — results[13].names[11]; taxon id 78450; Persicaria amphibia.
  • Mal-casada — results[13].names[27]; taxon id 78450; Persicaria amphibia.
  • rdesno obojživelné — results[13].names[9]; taxon id 78450; Persicaria amphibia.
  • Vand-pileurt — results[13].names[10]; taxon id 78450; Persicaria amphibia.
  • Горец земноводный — results[13].names[12]; taxon id 78450; Persicaria amphibia.
  • 两栖蓼 — results[13].names[13]; taxon id 78450; Persicaria amphibia.
  • vattenpilört — results[13].names[14]; taxon id 78450; Persicaria amphibia.
  • エゾノミズタデ — results[13].names[15]; taxon id 78450; Persicaria amphibia.
  • vasslirekne — results[13].names[16]; taxon id 78450; Persicaria amphibia.
  • vesi-kirbutatar — results[13].names[17]; taxon id 78450; Persicaria amphibia.
  • Būdmainis rūgtis — results[13].names[18]; taxon id 78450; Persicaria amphibia.
  • vesi-kirburohi — results[13].names[19]; taxon id 78450; Persicaria amphibia.
  • vesitatar — results[13].names[20]; taxon id 78450; Persicaria amphibia.
  • 兩棲蓼 — results[13].names[21]; taxon id 78450; Persicaria amphibia.
  • Rdest ziemnowodny — results[13].names[22]; taxon id 78450; Persicaria amphibia.
  • بطباط الماء — results[13].names[23]; taxon id 78450; Persicaria amphibia.
  • 물여뀌 — results[13].names[24]; taxon id 78450; Persicaria amphibia.
  • بطباط طويل الجذور — results[13].names[26]; taxon id 78450; Persicaria amphibia.
  • Babigo-mashkiki — results[13].names[28]; taxon id 78450; Persicaria amphibia.
  • tjarnarbløðkuurt — results[13].names[29]; taxon id 78450; Persicaria amphibia.
  • vodna dresen — results[13].names[31]; taxon id 78450; Persicaria amphibia.
  • Гірчак земноводний — results[13].names[32]; taxon id 78450; Persicaria amphibia.
  • Драсён земнаводны, ці Вадзяная грэчка — results[13].names[33]; taxon id 78450; Persicaria amphibia.
  • Abinieku sūrene — results[13].names[34]; taxon id 78450; Persicaria amphibia.
  • Vidrakeserűfű — results[13].names[35]; taxon id 78450; Persicaria amphibia.
  • kétéltű keserűfű — results[13].names[36]; taxon id 78450; Persicaria amphibia.
  • Tjarnablaðka — results[13].names[37]; taxon id 78450; Persicaria amphibia.
  • Vodeni dvornik — results[13].names[38]; taxon id 78450; Persicaria amphibia.
  • Canwraidd y dŵr — results[13].names[39]; taxon id 78450; Persicaria amphibia.
  • horčiak obojživelný — results[13].names[40]; taxon id 78450; Persicaria amphibia.
  • Yerdeğiştiren — results[13].names[41]; taxon id 78450; Persicaria amphibia.
[3] Catalogue of Life 2026-08-20 — Persicaria amphibia ↗

Common names from World Plants, version 26.05, reproduced in Catalogue of Life 2026-08-20. License: CC BY.

Source records
  • Wasser-Knöterich (DE) — VernacularName.tsv, line 150069; taxon 4F9Q3.
  • Amphibius Bistort (EN) — VernacularName.tsv, line 150068; taxon 4F9Q3.
[4] Royal Horticultural Society — common names ↗

Names retained from the referenced botanical profile or table.

Source records
  • amphibious bistort — Page 4, column 2, row top 262 pt; common-name cell after Persicaria amphibia.; Persicaria amphibia.
Plant references

Source-backed information

Published observations for this plant. Each reference supports the information beside it.

Taxonomy
Persicaria amphibia is an accepted species in Catalogue of Life.

Taxonomic treatment in the August 2026 release; the catalogue record name is preserved.

Sources [1]
Botanical family
Polygonaceae

Family in the cited taxonomic treatment.

Sources [1]
Pollinator guidance
RHS includes Persicaria amphibia in its Plants for Pollinators guidance.

RHS planting guidance. Choose accessible flowers with pollen and nectar; reduced-resource and double-flowered forms may be unsuitable.

Sources [2]
Catalogue ratings

Who this plant supports

Honey bees

Low suitability
Nectar value Low
Pollen value Low
Plant profile

About this plant

water smartweed (Persicaria amphibia) is a herbaceous plant. It flowers from June to October.

Sources and references

References for the information marked with source numbers on this page.

Sources checked
  1. Catalogue of Life Persicaria amphibia — Catalogue of Life COL26.8

    COL26.8 (2026-08-20). Contributing checklist: Synonymic Checklists of the Vascular Plants of the World. This is taxonomic evidence, not an independent ecological study.

    Supports: TaxonomyBotanical family
    Relevant sections
    • Taxonomy: NameUsage.tsv line 887373; ID 4F9Q3; rank species; status accepted
    • Botanical family: NameUsage.tsv line 887373; ID 4F9Q3; rank species; status accepted

    Source checked on .

    Source data licence: CC BY 4.0.

  2. Royal Horticultural Society RHS Plants for Pollinators — Wildflowers

    RHS planting guidance; applicable flower-form restrictions are retained. General recommendations do not measure local nectar or pollen production.

    Supports: Pollinator guidance
    Relevant sections
    • Pollinator guidance: Page 4, column 2, entry Persicaria amphibia (top 262 pt)

    Source checked on .