Porostereum spadiceum
- kingdom: Fungi
- phylum: Basidiomycota
- class: Agaricomycetes
- order: Polyporales
- family: Phanerochaetaceae
- genus: Porostereum
- species: Porostereum spadiceum
Santa Isabel do Rio Negro
Amazonas
Brazil
Iquitos
Loreto
Peru
Syracuse
New York
United States