Tamarisk Scalewort
VU

Tamarisk Scalewort

Frullania tamarisci

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

Overview

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

Tamarisk Scalewort faces significant pressure from habitat degradation due to air pollution, particularly nitrogen deposition and acid rain, which alter the chemical composition of its bark substrates. Urban development and intensive forestry practices have reduced the availability of suitable old-growth trees with stable bark chemistry. Climate change poses an additional threat through altered precipitation patterns that affect the moisture regimes essential for this epiphytic liverwort's survival.

Threat summary

Habitat

This epiphytic liverwort grows exclusively on the bark of mature deciduous trees, particularly favoring species with stable, slightly acidic bark chemistry such as oak, ash, and elm. It requires humid microclimates with consistent moisture levels, typically found in ancient woodlands, parklands, and well-established hedgerows.

Frequently asked questions

Why is Tamarisk Scalewort classified as Vulnerable?
Tamarisk Scalewort 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. Tamarisk Scalewort faces significant pressure from habitat degradation due to air pollution, particularly nitrogen deposition and acid rain, which alter the chemical composition of its bark substrates. Urban development and intensive forestry practices have reduced the availability of suitable old-growth trees with stable bark chemistry. Climate change poses an additional threat through altered precipitation patterns that affect the moisture regimes essential for this epiphytic liverwort's survival.
Where does Tamarisk Scalewort live?
Tamarisk Scalewort 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 Tamarisk Scalewort?
The main threats to Tamarisk Scalewort 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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