Plant Details

Ceratophyllum Demersum

Canadian Pondweed

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Common names

44 names · 31 languages
EnglishYour language
  • Canadian Pondweed
  • common hornwort[2]
  • Coon's tail[1][2]
+3 more namesShow fewer names
Other languages (30)
Dutch
  • Grof hoornblad[2]
French
  • Cornifle immergé[2]
  • Cornifle nageant[2]
  • Cératophylle immergé[2]
+2 more namesShow fewer names
  • Cératophylle nageant[2]
  • Cératophylle épineux[2]
Arabic
  • ذيل الراكون[2]
  • شمبلان مغمور[2]
Chinese (Simplified)
Chinese (Traditional)
Croatian
  • Tvrdi rogolist[2]
Czech
  • růžkatec ostnitý[2]
Danish
  • Tornfrøet hornblad[2]
Estonian
  • räni-kardhein[2]
Finnish
  • tankeakarvalehti[2]
German
Hebrew
  • קרנן טבוע[2]
Hungarian
  • érdes tócsagaz[2]
Italian
  • Ceratofillo comune[2]
Japanese
Korean
  • 붕어마름[2]
Latvian
  • Iegrimusī raglape[2]
Lithuanian
  • Paprastoji nertis[2]
Norwegian
Polish
  • Rogatek sztywny[2]
Portuguese
  • erva-do-peixe-dourado[2]
  • Rabo-de-raposa[2]
Russian
  • Роголистник погружённый[2]
Slovak
  • rožkatec ponorený[2]
Slovenian
  • navadni rogolist[2]
Spanish
  • Celestina de agua[1]
  • Mil hojas de agua[2]
Swedish
Thai
  • สาหร่ายพุงชะโด[2]
Turkish
  • Kınalı Suboynuzu[2]
Ukrainian
  • Кушир занурений[2]
Language not specified
  • Candelabro de agua[1]
Sources & name notes (2)

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

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

[1] Catalogue of Life 2026-08-20 — Ceratophyllum demersum L. ↗

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

Source records
  • Candelabro de agua — VernacularName.tsv, line 151631; taxon SNVM.
  • Celestina de agua (ES) — VernacularName.tsv, line 151632; taxon SNVM.
  • Coon's tail (EN) — VernacularName.tsv, line 151633; taxon SNVM.
  • Hornwort — VernacularName.tsv, line 151634; taxon SNVM.
  • Raues Hornblatt (DE) — VernacularName.tsv, line 151635; taxon SNVM.
[2] Ceratophyllum demersum — iNaturalist taxon names ↗

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

Source records
  • coontail — results[0].names[1]; taxon id 60997; Ceratophyllum demersum.
  • rigid hornwort — results[0].names[2]; taxon id 60997; Ceratophyllum demersum.
  • coon's tail — results[0].names[3]; taxon id 60997; Ceratophyllum demersum.
  • hornwort — results[0].names[5]; taxon id 60997; Ceratophyllum demersum.
  • Cératophylle nageant — results[0].names[6]; taxon id 60997; Ceratophyllum demersum.
  • common hornwort — results[0].names[7]; taxon id 60997; Ceratophyllum demersum.
  • erva-do-peixe-dourado — results[0].names[8]; taxon id 60997; Ceratophyllum demersum.
  • Raues Hornblatt — results[0].names[9]; taxon id 60997; Ceratophyllum demersum.
  • Cornifle immergé — results[0].names[10]; taxon id 60997; Ceratophyllum demersum.
  • Cornifle nageant — results[0].names[11]; taxon id 60997; Ceratophyllum demersum.
  • Cératophylle épineux — results[0].names[12]; taxon id 60997; Ceratophyllum demersum.
  • קרנן טבוע — results[0].names[13]; taxon id 60997; Ceratophyllum demersum.
  • růžkatec ostnitý — results[0].names[14]; taxon id 60997; Ceratophyllum demersum.
  • Hornsärv — results[0].names[15]; taxon id 60997; Ceratophyllum demersum.
  • شمبلان مغمور — results[0].names[16]; taxon id 60997; Ceratophyllum demersum.
  • ذيل الراكون — results[0].names[17]; taxon id 60997; Ceratophyllum demersum.
  • 金魚藻 — results[0].names[18]; taxon id 60997; Ceratophyllum demersum.
  • Tornfrøet hornblad — results[0].names[19]; taxon id 60997; Ceratophyllum demersum.
  • Grof hoornblad — results[0].names[20]; taxon id 60997; Ceratophyllum demersum.
  • Роголистник погружённый — results[0].names[21]; taxon id 60997; Ceratophyllum demersum.
  • hornblad — results[0].names[22]; taxon id 60997; Ceratophyllum demersum.
  • tankeakarvalehti — results[0].names[23]; taxon id 60997; Ceratophyllum demersum.
  • Paprastoji nertis — results[0].names[24]; taxon id 60997; Ceratophyllum demersum.
  • Mil hojas de agua — results[0].names[25]; taxon id 60997; Ceratophyllum demersum.
  • Rogatek sztywny — results[0].names[26]; taxon id 60997; Ceratophyllum demersum.
  • Ceratofillo comune — results[0].names[27]; taxon id 60997; Ceratophyllum demersum.
  • マツモ — results[0].names[28]; taxon id 60997; Ceratophyllum demersum.
  • räni-kardhein — results[0].names[29]; taxon id 60997; Ceratophyllum demersum.
  • 金鱼藻 — results[0].names[30]; taxon id 60997; Ceratophyllum demersum.
  • Кушир занурений — results[0].names[31]; taxon id 60997; Ceratophyllum demersum.
  • Tvrdi rogolist — results[0].names[32]; taxon id 60997; Ceratophyllum demersum.
  • navadni rogolist — results[0].names[33]; taxon id 60997; Ceratophyllum demersum.
  • 붕어마름 — results[0].names[34]; taxon id 60997; Ceratophyllum demersum.
  • สาหร่ายพุงชะโด — results[0].names[35]; taxon id 60997; Ceratophyllum demersum.
  • Iegrimusī raglape — results[0].names[36]; taxon id 60997; Ceratophyllum demersum.
  • érdes tócsagaz — results[0].names[37]; taxon id 60997; Ceratophyllum demersum.
  • 松藻 — results[0].names[38]; taxon id 60997; Ceratophyllum demersum.
  • Rabo-de-raposa — results[0].names[39]; taxon id 60997; Ceratophyllum demersum.
  • Cératophylle immergé — results[0].names[40]; taxon id 60997; Ceratophyllum demersum.
  • rožkatec ponorený — results[0].names[41]; taxon id 60997; Ceratophyllum demersum.
  • Kınalı Suboynuzu — results[0].names[42]; taxon id 60997; Ceratophyllum demersum.

General information

Scientific name: Ceratophyllum Demersum
Accepted name (Kew): Ceratophyllum demersum View name reference ↗

Accepted in the cited taxonomic treatment. Botanical references may use alternative names.

Sources [1] [2]
Botanical family: Ceratophyllaceae

Kew's family placement for the genus Ceratophyllum (WCVP v16).

Sources [1]
Also known as: Canadian Pondweed
Images: Google Images

Plant characteristics

Layer: Aquatic
Catalogue size class: Small
Height: 1.00 m
Spread: - m
Growth rate: Fast
Foliage: None

Growing conditions

USDA hardiness: 7-10
Soil moisture:
Wet
Soil:
Sand (light) Loam (medium) Clay (heavy)
pH:
Acidic Neutral Alkaline
Light:
Partial shade, Full sun

Uses

Edible parts:
Leaves
Edibility rating:
(1)
Medicinal rating:
(1)
Functions:
None

Description

Leaves are an important part of plants; they are responsible for the process of photosynthesis, in which plants harness energy from sunlight. They come in various shapes and sizes, depending on the type of plant. It is important to regularly inspect the leaves of plants for signs of diseases or pests so that the plant can remain healthy.

Harvest

Harvest starts: 01/06
Harvest ends: 30/09

Sources and references

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

Sources checked
  1. Royal Botanic Gardens, Kew World Checklist of Vascular Plants, version 16, extracted 4 June 2026
    Supports: TaxonomyBotanical family
    Relevant sections
    • Taxonomy: WCVP version 16, wcvp_names.csv: Ceratophyllum demersum L., name ID 36902, row 32130
    • Botanical family: WCVP v16, wcvp_names.csv row 977717; name ID 36893; Ceratophyllum L.. Family column.

    Source checked on .

    Source data licence: CC BY 3.0.

  2. Catalogue of Life Catalogue of Life 2026-08-20 — Ceratophyllum demersum

    Taxonomic data from World Plants, version 26.05, reproduced in Catalogue of Life 2026-08-20.

    Supports: Taxonomy
    Relevant sections
    • Taxonomy: COL 2026-08-20, NameUsage.tsv line 5162525, ID SNVM: Ceratophyllum demersum L. (accepted).

    Source checked on .