Sieve-tooth Moss
CR

Sieve-tooth Moss

Coscinodon cribrosus

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Photo: (c) Pavel Kacl, some rights reserved (CC BY), uploaded by Pavel Kacl

Overview

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

Sieve-tooth Moss faces severe threats from habitat destruction and degradation of its specialized rocky environments. Climate change and air pollution further compromise the delicate conditions required for this species' survival, while its extremely limited distribution makes it highly vulnerable to local extinctions.

Threat summary

Habitat

Rocky outcrops, limestone cliffs, and calcareous stone walls in semi-arid to temperate regions. This moss requires specific moisture conditions and grows on exposed or semi-shaded mineral substrates with particular pH requirements.

Other threatened species in Grimmiaceae

Streamside Schistidium MossCR

Streamside Schistidium Moss

Schistidium rivulare

Unknown
Stook GrimmiaCR

Stook Grimmia

Schistidium trichodon

Unknown
Grimmia Dry Rock MossCR

Grimmia Dry Rock Moss

Grimmia plagiopodia

Unknown
Robust GrimmiaCR

Robust Grimmia

Schistidium robustum

Unknown

Frequently asked questions

Why is Sieve-tooth Moss classified as Critically Endangered?
Sieve-tooth Moss 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. Sieve-tooth Moss faces severe threats from habitat destruction and degradation of its specialized rocky environments. Climate change and air pollution further compromise the delicate conditions required for this species' survival, while its extremely limited distribution makes it highly vulnerable to local extinctions.
Where does Sieve-tooth Moss live?
Sieve-tooth 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 Sieve-tooth Moss?
The main threats to Sieve-tooth 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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