| Name | Sorbus helenae f. rufidula Koehne |
| Authorship | Koehne |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Sorbus helenae Koehne |
| Citation | 1913 Pl. Wilson. 1: 463 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Sorbus helenae f. rufidula Koehne |
| Identification made in | [no date] (3) |