| Name | Hydrocoryne spongiosa Schwabe ex Bornet & Flahault |
| Authorship | Schwabe ex Bornet & Flahault |
| Rank | Species |
| Placed in | Hydrocoryne Schwabe ex Bornet & Flahault |
| Citation | 1887 Ann. Sci. Nat., Bot. ser. 7, 5: 128 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hydrocoryne spongiosa Schwabe ex Bornet & Flahault |
| Identification made in | [no date] (1) |