Small-leaved Watercress
CR

Small-leaved Watercress

Nasturtium microphyllum

Unknown

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

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Small-leaved Watercress faces severe threats from habitat degradation and loss of suitable freshwater environments due to pollution, agricultural runoff, and urban development. Water quality deterioration and hydrological modifications to streams and wetlands have significantly reduced available habitat for this aquatic plant species.

Threat summary

Habitat

Small-leaved Watercress inhabits shallow freshwater environments including slow-flowing streams, springs, ditches, and marshy areas with clean, nutrient-rich water. The species typically grows in partially submerged conditions along stream margins and in wet meadows where water levels remain relatively stable.

FRESHWATER· majorTERRESTRIAL· majorFRESHWATER· major

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Frequently asked questions

Why is Small-leaved Watercress classified as Critically Endangered?
Small-leaved Watercress is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Small-leaved Watercress faces severe threats from habitat degradation and loss of suitable freshwater environments due to pollution, agricultural runoff, and urban development. Water quality deterioration and hydrological modifications to streams and wetlands have significantly reduced available habitat for this aquatic plant species.
Where does Small-leaved Watercress live?
Small-leaved Watercress occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Small-leaved Watercress?
The main threats to Small-leaved Watercress are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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