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Russula romellii

Unknown

Overview

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

Russula romellii faces severe decline due to widespread deforestation and habitat fragmentation across its European range. The species is particularly vulnerable to soil acidification from atmospheric pollution, which alters the mycorrhizal relationships essential for its survival. Climate change compounds these pressures by shifting temperature and moisture regimes beyond the species' tolerance thresholds.

Threat summary

Habitat

This mycorrhizal fungus forms symbiotic relationships with deciduous and mixed forest trees, particularly favoring beech and oak woodlands with well-drained, calcareous soils. It typically occurs in mature forest ecosystems with stable soil chemistry and established fungal networks.

TERRESTRIAL· major

Frequently asked questions

Why is Russula romellii classified as Endangered?
Russula romellii is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Russula romellii faces severe decline due to widespread deforestation and habitat fragmentation across its European range. The species is particularly vulnerable to soil acidification from atmospheric pollution, which alters the mycorrhizal relationships essential for its survival. Climate change compounds these pressures by shifting temperature and moisture regimes beyond the species' tolerance thresholds.
Where does Russula romellii live?
Russula romellii occurs in Åland Islands, Algeria, Austria, Belgium, Bulgaria, and Canada (plus 32 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Russula romellii?
The main threats to Russula romellii 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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