Twotone Woodwax
CRCritically Endangered

Twotone Woodwax

Hygrophorus unicolor

Conservation status data sourced from the IUCN Red List of Threatened Species.

21

Countries

Photo: (c) Federico Calledda, some rights reserved (CC BY-NC), uploaded by Federico Calledda

01Classification

Taxonomy & Classification

Kingdom

Fungi

Phylum

Basidiomycota

Class

Agaricomycetes

Order

Agaricales

Family

Hygrophoraceae

Genus

Hygrophorus

Twotone Woodwax belongs to the family Hygrophoraceae, order Agaricales, within the Agaricomycetes class.

02Description

Species Profile

Species profile data sourced from the IUCN Red List of Threatened Species.

The Twotone Woodwax faces severe population declines due to widespread habitat destruction from deforestation and urban development in its specialized forest ecosystems. Climate change is altering the delicate moisture and temperature conditions required for this fungus to fruit and complete its life cycle. Additionally, soil contamination and changes in forest composition are disrupting the mycorrhizal relationships essential for its survival.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupFungi
03Habitat

Habitat & Distribution

Inhabits mature coniferous and mixed forests, particularly in moist, well-drained soils with abundant organic matter. Forms mycorrhizal associations with tree roots in temperate forest ecosystems, typically fruiting in late summer and autumn.

TERRESTRIALMajor
04Threats

Threats

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IUCN Red List: Critically Endangered

The Twotone Woodwax faces severe population declines due to widespread habitat destruction from deforestation and urban development in its specialized forest ecosystems. Climate change is altering the delicate moisture and temperature conditions required for this fungus to fruit and complete its life cycle. Additionally, soil contamination and changes in forest composition are disrupting the mycorrhizal relationships essential for its survival.

Climate change affecting moisture regimes

HighOngoing

Disruption of mycorrhizal host relationships

HighOngoing

Habitat loss from deforestation

HighOngoing

Soil contamination and pollution

MediumOngoing

Urban development and fragmentation

MediumOngoing
Community

Community Sightings

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07Sources

Sources & Attribution

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2025). Twotone Woodwax (Hygrophorus unicolor). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/twotone-woodwax

Full citation guide & data usage terms