| Name | Guatteria alutacea var. angustifolia R. E. Fries |
| Authorship | R. E. Fries |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Guatteria alutacea Diels |
| Citation | 1938 Publ. Field Mus. Nat. Hist., Bot. Ser. 13(2): 710 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Guatteria alutacea var. angustifolia R. E. Fries |
| Identification made in | 2025 (1) |