Growing from grafted citrus in Florida, specimen sent to me for examination. Initially identified as G.oerstedii per Steyaert(1972) as a synonym of G.tuberculosum.It more smoothly fit with Murrill's (1908) original description.Taxonomy of Ganoderma from southern South America: subgenus Ganoderma (1999) concluded that G.tuberculosum and G.oerstedii should be treated as separate sp.