| Name | Gloeotrichia natans Rabenhorst ex Bornet & Flahault |
| Authorship | Rabenhorst ex Bornet & Flahault |
| Rank | Species |
| Placed in | Gloeotrichia J. Agardh ex Bornet & Flahault |
| Citation | 1886 ("1887") Ann. Sci. Nat., Bot. ser. 7, 4: 369 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Gloeotrichia natans Rabenhorst ex Bornet & Flahault |
| Identification made in | [no date] (1), 1938 (5) |