A stroma is formed over a Salix branch, dark grey/black in colour, often with a bright yellow margin.  

host

Photographs needed of the species in its habitat.  Note substrate and associated plant species.  This is a rare species, and we recommend that it is verified from a specimen by an expert before submission to NatureSpot.

Willows (Salix)

Rare

The 2025 records at Rutland Water are the first VC55 records

It is the only native British species which features in the 'Top 100 Most Threatened Species in the World' list that the IUCN and ZSL produced – see Baillie, J.E.M.; Butcher, E.R. 2012. Priceless or Worthless? London, Zoological Society of London.

Also see entry on The Global Fungal Red List