| Name | Spongiosperma longilobum (Markgraf) Zarucchi |
| Authorship | (Markgraf) Zarucchi |
| Rank | Species |
| Placed in | Spongiosperma Zarucchi |
| Citation | 1987 Agric. Univ. Wageningen Pap. 87(1): 56 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Spongiosperma longilobum (Markgraf) Zarucchi |
| Identification made in | 1981 (1) |