| Name | Polystictus rigens Saccardo & Cuboni |
| Authorship | Saccardo & Cuboni |
| Rank | Species |
| Placed in | Polystictus |
| Citation | 1888 Syll. Fung. 6: 274 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Polystictus rigens Saccardo & Cuboni |
| Identification made in | [no date] (1) |
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