VUVulnerable

Xenasma rimicola

Local name: eggsporestålskinn

Xenasma rimicola, commonly known as eggsporestålskinn, is a corticioid fungus that forms thin, crust-like fruiting bodies on decaying wood substrates. This species produces distinctive egg-shaped spores and plays a crucial ecological role as a wood decomposer, breaking down cellulose and lignin in forest ecosystems.

01Classification

Taxonomy & Classification

Kingdom

Fungi

Phylum

Basidiomycota

Class

Agaricomycetes

Order

Russulales

Family

Xenasmataceae

Genus

Xenasma

Xenasma rimicola belongs to the family Xenasmataceae, order Russulales, within the Agaricomycetes class.

02Description

Species Profile

Xenasma rimicola, commonly known as eggsporestålskinn, is a corticioid fungus that forms thin, crust-like fruiting bodies on decaying wood substrates. This species produces distinctive egg-shaped spores and plays a crucial ecological role as a wood decomposer, breaking down cellulose and lignin in forest ecosystems.

Xenasma rimicola faces significant threats from habitat loss due to deforestation and forest degradation, which reduces the availability of suitable dead wood substrates essential for this fungal species. Climate change poses additional risks by altering forest moisture regimes and temperature patterns that affect the species' reproductive success and substrate colonization.

Key Facts

IUCN StatusVulnerable (VU)
GroupFungi
03Habitat

Habitat & Distribution

This corticioid fungus inhabits dead wood and bark crevices in temperate and boreal forests, particularly on decaying hardwood trees and fallen logs in moist woodland environments. It typically occurs in mature forest ecosystems with abundant coarse woody debris.

TERRESTRIALMajor
04Threats

Threats

Climate change impacts on forest ecosystems

HighOngoing

Habitat loss and forest fragmentation

HighOngoing

Air pollution affecting forest health

MediumOngoing

Reduction in dead wood availability

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). Xenasma rimicola (Xenasma rimicola). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/eggsporestalskinn

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