| Name | Pseudocalliergon angustifolium Hedenäs |
| Authorship | Hedenäs |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Pseudocalliergon |
| Citation | 1992 [1990] Lindbergia 16: 85 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pseudocalliergon angustifolium Hedenäs |
| Identification made in | [no date] (1) |