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Larch Woodwax

Hygrophorus lucorum

Unknown

Overview

The Larch Woodwax (Hygrophorus lucorum) is a distinctive waxy-capped mushroom species that forms mycorrhizal associations exclusively with larch trees in northern temperate forests. This medium-sized fungus displays a characteristic pale yellow to cream-colored cap with a waxy texture and white gills, typically fruiting in late summer to early autumn. As a mycorrhizal partner, it plays a crucial ecological role in nutrient exchange with larch trees, enhancing forest health and resilience.

Larch Woodwax (Hygrophorus lucorum) faces severe decline primarily due to habitat loss from deforestation and conversion of old-growth larch forests for agriculture and development. Climate change is altering the specific temperature and moisture conditions required for this mycorrhizal fungus to form associations with its host trees. Additionally, air pollution and acid rain are degrading the forest ecosystems where this species occurs.

Threat summary

Habitat

Larch Woodwax occurs exclusively in mature larch forests and mixed coniferous woodlands where European larch (Larix decidua) or other larch species dominate the canopy. The species requires well-drained, acidic soils with deep organic layers and typically fruits in areas with partial shade and consistent moisture levels beneath established larch stands.

TERRESTRIAL· major

Frequently asked questions

Why is Larch Woodwax classified as Endangered?
Larch Woodwax 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. Larch Woodwax (Hygrophorus lucorum) faces severe decline primarily due to habitat loss from deforestation and conversion of old-growth larch forests for agriculture and development. Climate change is altering the specific temperature and moisture conditions required for this mycorrhizal fungus to form associations with its host trees. Additionally, air pollution and acid rain are degrading the forest ecosystems where this species occurs.
Where does Larch Woodwax live?
Larch Woodwax 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 Larch Woodwax?
The main threats to Larch Woodwax 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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