| Name | Cylindrospermum majus Kützing ex Bornet & Flahault |
| Authorship | Kützing ex Bornet & Flahault |
| Rank | Species |
| Placed in | Cylindrospermum Kützing ex Bornet & Flahault |
| Citation | 1888 Ann. Sci. Nat., Bot. ser. 7, 7: 252 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cylindrospermum majus Kützing ex Bornet & Flahault |
| Identification made in | [no date] (1) |