VU

Sharp Rock-bristle

Seligeria acutifolia

UnknownLCEULCEU

Overview

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

Sharp Rock-bristle faces significant threats from habitat degradation due to air pollution and acid rain, which alter the chemical composition of its rocky substrates. Climate change poses additional risks through altered precipitation patterns and temperature fluctuations that affect the delicate moisture balance required for this moss species. Recreational activities and quarrying operations in its limited range further fragment and destroy suitable habitat.

Threat summary

Habitat

Sharp Rock-bristle grows exclusively on calcareous rocks and limestone outcrops, typically in shaded crevices and overhangs where moisture levels remain relatively stable. This specialized moss requires specific pH conditions and is found primarily on vertical or near-vertical rock faces in mountainous regions.

Other threatened species in Seligeriaceae

VU

Irish Rock-bristle

Seligeria oelandica

Unknown
VU

Three-ranked Bristle Moss

Seligeria tristichoides

Unknown
EN

Small Limestone Moss

Seligeria calcarea

Unknown
CR

Blindia gradsteinii

Unknown

Frequently asked questions

Why is Sharp Rock-bristle classified as Vulnerable?
Sharp Rock-bristle is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Sharp Rock-bristle faces significant threats from habitat degradation due to air pollution and acid rain, which alter the chemical composition of its rocky substrates. Climate change poses additional risks through altered precipitation patterns and temperature fluctuations that affect the delicate moisture balance required for this moss species. Recreational activities and quarrying operations in its limited range further fragment and destroy suitable habitat.
Where does Sharp Rock-bristle live?
Sharp Rock-bristle 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 Sharp Rock-bristle?
The main threats to Sharp Rock-bristle 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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