| Name | Lindernia crustacea f. smithii O. Degener & G. C. Ruhle |
| Authorship | O. Degener & G. C. Ruhle |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Lindernia crustacea (Linnaeus) F. Mueller |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lindernia crustacea f. smithii O. Degener & G. C. Ruhle |
| Identification made in | [no date] (1) |