VU

Three-ranked Bristle Moss

Seligeria tristichoides

UnknownNTEUNTEU

Overview

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

Three-ranked Bristle Moss faces significant pressure from habitat degradation due to quarrying and limestone extraction activities that destroy its specialized calcareous rock substrates. Climate change poses an additional threat through altered precipitation patterns and increased drought frequency, which can desiccate the moss colonies and disrupt their delicate moisture requirements. Urban development and recreational activities in cave systems and limestone outcrops further fragment the already limited suitable habitat available to this species.

Threat summary

Habitat

Three-ranked Bristle Moss grows exclusively on calcareous rocks, limestone cliffs, and cave entrances where it forms small, dense cushions in areas with consistent moisture and filtered light. The species requires specific pH conditions and mineral content found only in limestone-rich environments, making it highly dependent on these specialized geological formations.

Other threatened species in Seligeriaceae

VU

Irish Rock-bristle

Seligeria oelandica

Unknown
VU

Sharp Rock-bristle

Seligeria acutifolia

Unknown
EN

Small Limestone Moss

Seligeria calcarea

Unknown
CR

Blindia gradsteinii

Unknown

Frequently asked questions

Why is Three-ranked Bristle Moss classified as Vulnerable?
Three-ranked Bristle Moss 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. Three-ranked Bristle Moss faces significant pressure from habitat degradation due to quarrying and limestone extraction activities that destroy its specialized calcareous rock substrates. Climate change poses an additional threat through altered precipitation patterns and increased drought frequency, which can desiccate the moss colonies and disrupt their delicate moisture requirements. Urban development and recreational activities in cave systems and limestone outcrops further fragment the already limited suitable habitat available to this species.
Where does Three-ranked Bristle Moss live?
Three-ranked Bristle Moss 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 Three-ranked Bristle Moss?
The main threats to Three-ranked Bristle Moss 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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