| Name | Lobelia hypoleuca f. macrophyta Rock |
| Authorship | Rock |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Lobelia hypoleuca Hillebrand |
| Citation | 1919 Monogr. Stud. Haw. Lobelioid. 125 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lobelia hypoleuca f. macrophyta Rock |
| Identification made in | [no date] (1) |