ENEndangered

Ethereal Domecap

Lyophyllum eustygium

The Ethereal Domecap is a distinctive mushroom species characterized by its translucent, dome-shaped cap that appears almost ghostly in forest understories. This saprophytic fungus plays a crucial ecological role in decomposing organic matter and forming mycorrhizal associations with tree roots, facilitating nutrient cycling in temperate forest ecosystems.

01Classification

Taxonomy & Classification

Kingdom

Fungi

Phylum

Basidiomycota

Class

Agaricomycetes

Order

Agaricales

Family

Lyophyllaceae

Genus

Lyophyllum

Ethereal Domecap belongs to the family Lyophyllaceae, order Agaricales, within the Agaricomycetes class.

02Description

Species Profile

The Ethereal Domecap is a distinctive mushroom species characterized by its translucent, dome-shaped cap that appears almost ghostly in forest understories. This saprophytic fungus plays a crucial ecological role in decomposing organic matter and forming mycorrhizal associations with tree roots, facilitating nutrient cycling in temperate forest ecosystems.

Habitat fragmentation and deforestation pose significant threats to Ethereal Domecap populations, as they require undisturbed forest floor conditions with specific moisture and organic matter levels. Climate change is altering precipitation patterns and temperature regimes, disrupting the delicate environmental conditions necessary for successful fruiting and spore dispersal.

Key Facts

IUCN StatusEndangered (EN)
GroupFungi
03Habitat

Habitat & Distribution

This species inhabits mature deciduous and mixed forests with rich, well-decomposed leaf litter layers, particularly favoring areas with consistent moisture retention under dense canopy cover. It typically fruits in association with decaying hardwood debris and established mycorrhizal networks in old-growth forest patches.

TERRESTRIALMajor
04Threats

Threats

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IUCN Red List: Endangered

Habitat fragmentation and deforestation pose significant threats to Ethereal Domecap populations, as they require undisturbed forest floor conditions with specific moisture and organic matter levels. Climate change is altering precipitation patterns and temperature regimes, disrupting the delicate environmental conditions necessary for successful fruiting and spore dispersal.

Detailed threat classification data is sourced from IUCN assessments as they become available.

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). Ethereal Domecap (Lyophyllum eustygium). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/ethereal-domecap

Full citation guide & data usage terms