Brook Stippleback Lichen
CR

Brook Stippleback Lichen

Dermatocarpon luridum

Unknown

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

Overview

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

Yellowish Brook Lichen faces severe threats from water pollution, habitat degradation, and climate change impacts on freshwater ecosystems. This aquatic lichen species is particularly vulnerable to changes in water chemistry and flow patterns that affect the specific microhabitats it requires for survival.

Threat summary

Habitat

Yellowish Brook Lichen occurs in clean, fast-flowing streams and brooks, typically growing on submerged or periodically wetted rocks and stones in oligotrophic freshwater environments. The species requires specific water chemistry conditions and is found in areas with minimal pollution and stable hydrological regimes.

TERRESTRIAL· major

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Frequently asked questions

Why is Brook Stippleback Lichen classified as Critically Endangered?
Brook Stippleback Lichen 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. Yellowish Brook Lichen faces severe threats from water pollution, habitat degradation, and climate change impacts on freshwater ecosystems. This aquatic lichen species is particularly vulnerable to changes in water chemistry and flow patterns that affect the specific microhabitats it requires for survival.
Where does Brook Stippleback Lichen live?
Brook Stippleback Lichen 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 Brook Stippleback Lichen?
The main threats to Brook Stippleback Lichen 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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