| Name | Polyporus arcularius Rostkoius |
| Authorship | Rostkovius |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Polyporus |
| Holdings | 50 Specimens held in the Harvard University Herbaria identified as Polyporus arcularius Rostkoius |
| Identification made in | [no date] (50) |
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