| Name | Calylophus tubicula subsp. tubicula |
| Authorship | |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Calylophus tubicula (A. Gray) P. H. Raven |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Calylophus tubicula subsp. tubicula |
| Identification made in | [no date] (1) |