Yellow Staining Knight
Tricholoma sulphurescens
Conservation status data sourced from the IUCN Red List of Threatened Species.
Taxonomy & Classification
Kingdom
Fungi
Phylum
Basidiomycota
Class
Agaricomycetes
Order
Agaricales
Family
Tricholomataceae
Genus
Tricholoma
Yellow Staining Knight belongs to the family Tricholomataceae, order Agaricales, within the Agaricomycetes class.
Species Profile
Species profile data sourced from the IUCN Red List of Threatened Species.
The Yellow Staining Knight faces severe population declines due to widespread habitat destruction and degradation of its specialized forest ecosystems. Climate change is altering the delicate soil chemistry and mycorrhizal relationships essential for this fungus, while pollution and forest fragmentation further threaten remaining populations.
Key Facts
Habitat & Distribution
Deciduous and mixed woodlands, particularly beech and oak forests with rich, calcareous soils. Forms mycorrhizal associations with broadleaf trees in mature forest ecosystems across temperate regions.
Threats
IUCN Red List: Critically Endangered
The Yellow Staining Knight faces severe population declines due to widespread habitat destruction and degradation of its specialized forest ecosystems. Climate change is altering the delicate soil chemistry and mycorrhizal relationships essential for this fungus, while pollution and forest fragmentation further threaten remaining populations.
Climate change impacts on soil chemistry
Disruption of mycorrhizal host relationships
Habitat loss and forest degradation
Air and soil pollution
Forest fragmentation
Community Sightings
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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). Yellow Staining Knight (Tricholoma sulphurescens). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/yellow-staining-knight