| Name | Marshallia grandiflora Beadle & Boynton |
| Authorship | Beadle & Boynton |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Marshallia |
| Citation | 1901 Biltmore Bot. Stud. 1: 7 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Marshallia grandiflora Beadle & Boynton |
| Identification made in | [no date] (1), 1954 (6) |