Current Name:Ganoderma williamsianum Murrill, Bull. Torrey bot. Club 34: 478 (1907)
Synonymy:Elfvingia williamsiana (Murrill) Imazeki, Bull. Gov. Forest Exp. Stn Tokyo 57: 106 (1952)
Position in classification:Polyporaceae, Polyporales, Incertae sedis, Agaricomycetes, Basidiomycota, Fungi
Synonymy Contributor(s): Kew Mycology (2015)