| Name | Spongiosperma grandiflorum (Huber) Zarucchi |
| Authorship | (Huber) Zarucchi |
| Rank | Species |
| Placed in | Spongiosperma Zarucchi |
| Citation | 1987 Agric. Univ. Wageningen Pap. 87(1): 53 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Spongiosperma grandiflorum (Huber) Zarucchi |
| Identification made in | 1981 (2) |