| Name | Alnus maritima var. formosana Burkill |
| Authorship | Burkill |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Alnus maritima (Marshall) Muhlenberg ex Nuttall |
| Citation | 1899 J. Linn. Soc., Bot. 26: 500 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Alnus maritima var. formosana Burkill |
| Identification made in | [no date] (2) |