Morphology of Ganoderma casuarinicola (HKAS 104639) A The upper surface of mature basidiocarp B the lower surface of mature basidiocarp C pore characteristics D melanoid bands in the context tissue E, F culture after incubation at 25 °C for 10–14 days on Potato Dextrose Agar (PDA) G–J basidiospores in KOH K clamp connections L thick walled unbranched generative hyphae of context in KOH M, N thin-thick-walled unbranched generative and flexuous skeletal hyphae O thick-walled generative and skeletal hyphae of the tube layers. Scale bars: 2 cm (A, B); 500 µm (C); 2 cm (E, F); 2 µm (G–J); 5 µm (K); 3 µm (L–O).