| Name | Stigonema mamillosum C. Agardh ex Bornet & Flahault |
| Authorship | C. Agardh ex Bornet & Flahault |
| Rank | Species |
| Placed in | Stigonema C. Agardh ex Bornet & Flahault |
| Citation | 1886 ["1887"] Ann. Sci. Nat., Bot. Ser. 7, 5: 51-129 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Stigonema mamillosum C. Agardh ex Bornet & Flahault |
| Identification made in | [no date] (4) |