| Macroscopic characters | shape | Sessile; effused-reflexed; occasionally resupinate; often in imbricate clusters |
| size | Reflexed up to 3 cm |
| texture | Tough |
| pileus | Cream to buff; tomentose or strigose to glabrous with age |
| stipe | None |
| context | Pale buff; azonate; distinct thin upper layer of tomentum up to 6 mm thick |
| pore surface | Gray to black |
| pores | Angular; regular; 6-7 per mm |
| tube layer(s) | Smoky gray; distinct from context; up to 1 mm thick |
| Microscopic characters | hyphal system | Monomitic; with thin- and thick- walled generative hyphae |
| clamp connections | Contextual hyphae with abundant clamps |
| sterile elements | Dark brownish vascular hyphae sometimes present in subhymenium and in hymenial layer |
| basidiospores | Short-cylindric; hyaline; smooth; 5-6 x 2.5-3.5 µm |
| Habitat characters | substrate/host | Many genera of hardwoods; rarely on conifers |
| seasonality | Annual |
| type of decay | White rot of logs and slash |
| range | Circumglobal in the Northern Hemisphere |
| Notes | |
| References | Gilbertson & Ryvarden, 1986; Overholts, 1953 |