| Kingdom: Fungi | 
| Phylum: Basidiomycota | 
| Subphylum: Hymenomycotina | 
| Class: Agaricomycetes | 
| Subclass: Agaricomycetidae | 
| Order: Polyporales | 
| Family: Polyporaceae | 
| Genus: Tyromyces | 
| Subject: Tyromyces amarus (Hedgc.) J. Lowe | 
Other Common Names:
 heart rot of incense cedar
Related Scientific Names:
                                        Polyporus amarus  Hedgc. (Synonym)