Reddish Pondweed
CRCritically Endangered

Reddish Pondweed

Potamogeton alpinus

Conservation status data sourced from the IUCN Red List of Threatened Species.

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Potamogeton_alpinus

01Classification

Taxonomy & Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Liliopsida

Order

Alismatales

Family

Potamogetonaceae

Genus

Potamogeton

Reddish Pondweed belongs to the family Potamogetonaceae, order Alismatales, within the Liliopsida class.

02Description

Species Profile

Species profile data sourced from the IUCN Red List of Threatened Species.

Reddish Pondweed faces severe threats from habitat degradation and loss due to water pollution, eutrophication, and wetland drainage across its range. Climate change and altered hydrological regimes further threaten the specific water chemistry and temperature conditions this aquatic plant requires for survival.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupPlants
03Habitat

Habitat & Distribution

Inhabits cold, clear, nutrient-poor lakes, ponds, and slow-moving streams, typically in montane and boreal regions. Grows submerged in shallow to moderately deep waters with sandy or rocky substrates, often in oligotrophic conditions.

FRESHWATERMajor
04Threats

Threats

!

IUCN Red List: Critically Endangered

Reddish Pondweed faces severe threats from habitat degradation and loss due to water pollution, eutrophication, and wetland drainage across its range. Climate change and altered hydrological regimes further threaten the specific water chemistry and temperature conditions this aquatic plant requires for survival.

Climate change impacts on aquatic systems

HighOngoing

Water pollution and eutrophication

HighOngoing

Wetland drainage and habitat destruction

HighOngoing

Altered hydrological regimes

MediumOngoing

Invasive aquatic species competition

MediumOngoing
07National Status

National vs Global Threat Status

How this species is assessed at the national level compared to its IUCN global status (CR).

CountryNational StatusGlobal StatusComparison
EULCLeast ConcernCRCritically EndangeredLower local risk
EULCLeast ConcernCRCritically EndangeredLower local risk

National Red List data sourced from the National Red List Project (nationalredlist.org, ZSL) and country-specific Red List authorities.

Community

Community Sightings

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07Sources

Sources & Attribution

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

National Red Lists: ZSL (2025). National Red List. Zoological Society of London. Available at: https://www.nationalredlist.org

This page: SpeciesRadar (2025). Reddish Pondweed (Potamogeton alpinus). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/reddish-pondweed

Full citation guide & data usage terms