| Name | Petitia urbanii Ekman |
| Authorship | Ekman |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Petitia |
| Citation | 1927 Ark. Bot. 21A(5): 94 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Petitia urbanii Ekman |
| Identification made in | [no date] (1) |