Pepper-saxifrage
CR

Pepper-saxifrage

Silaum silaus

Unknown

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

Overview

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

Pepper-saxifrage faces severe population declines due to widespread habitat loss from agricultural intensification and conversion of traditional hay meadows to improved grasslands. The species is highly sensitive to changes in grassland management practices, particularly increased fertilizer use and altered mowing regimes that have eliminated suitable habitat across much of its former range.

Threat summary

Habitat

Traditional unimproved hay meadows, wet grasslands, and chalk downlands, typically on calcareous or neutral soils with low nutrient levels. The species requires specific management regimes including late summer mowing and minimal fertilizer input to maintain suitable habitat conditions.

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Frequently asked questions

Why is Pepper-saxifrage classified as Critically Endangered?
Pepper-saxifrage 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. Pepper-saxifrage faces severe population declines due to widespread habitat loss from agricultural intensification and conversion of traditional hay meadows to improved grasslands. The species is highly sensitive to changes in grassland management practices, particularly increased fertilizer use and altered mowing regimes that have eliminated suitable habitat across much of its former range.
Where does Pepper-saxifrage live?
Pepper-saxifrage 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 Pepper-saxifrage?
The main threats to Pepper-saxifrage 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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