| Name | Melanothamnus harveyi (Bailey) Díaz-Tapia & Maggs |
| Authorship | (Bailey) Díaz-Tapia & Maggs |
| Rank | Species |
| Placed in | Melanothamnus Bornet & Falkenberg |
| Citation | 2017 Eur. J. Phycol. 52(1): 1-20 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Melanothamnus harveyi (Bailey) Díaz-Tapia & Maggs |
| Identification made in | [no date] (4), 2018 (1) |