ENEndangered

Geriefter Schwefelkopf

Hypholoma ericaeoides

Geriefter Schwefelkopf (Hypholoma ericaeoides) is a distinctive sulfur-yellow capped mushroom with characteristic grooved or ridged features on its cap surface. This saprobic fungus plays a crucial ecological role in decomposing organic matter in acidic, nutrient-poor environments, particularly breaking down woody debris and contributing to soil formation in heathland ecosystems.

01Classification

Taxonomy & Classification

Kingdom

Fungi

Phylum

Basidiomycota

Class

Agaricomycetes

Order

Agaricales

Family

Strophariaceae

Genus

Hypholoma

Geriefter Schwefelkopf belongs to the family Strophariaceae, order Agaricales, within the Agaricomycetes class.

02Description

Species Profile

Geriefter Schwefelkopf (Hypholoma ericaeoides) is a distinctive sulfur-yellow capped mushroom with characteristic grooved or ridged features on its cap surface. This saprobic fungus plays a crucial ecological role in decomposing organic matter in acidic, nutrient-poor environments, particularly breaking down woody debris and contributing to soil formation in heathland ecosystems.

Hypholoma ericaeoides faces severe decline due to habitat loss from urban development and agricultural conversion of its specialized heathland ecosystems. Climate change and nitrogen deposition are altering the acidic soil chemistry and plant communities this fungus depends on for survival.

Key Facts

IUCN StatusEndangered (EN)
GroupFungi
03Habitat

Habitat & Distribution

This species is found exclusively in acidic heathlands and moorlands, typically growing among Calluna heather, Vaccinium species, and other ericaceous shrubs. It fruits from decaying woody stems and roots of heath plants, particularly in areas with well-drained, sandy or peaty soils with low pH levels.

TERRESTRIALMajor
04Threats

Threats

!

IUCN Red List: Endangered

Hypholoma ericaeoides faces severe decline due to habitat loss from urban development and agricultural conversion of its specialized heathland ecosystems. Climate change and nitrogen deposition are altering the acidic soil chemistry and plant communities this fungus depends on for survival.

Agricultural conversion of heathlands

HighOngoing

Habitat loss from urban development

HighOngoing

Climate change altering soil conditions

MediumOngoing

Fragmentation of remaining heathland patches

MediumOngoing

Nitrogen deposition changing plant communities

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). Geriefter Schwefelkopf (Hypholoma ericaeoides). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/geriefter-schwefelkopf

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