| Name | Spirogyra crassa (Kützing) Kützing |
| Authorship | (Kützing) Kützing |
| Rank | Species |
| Placed in | Spirogyra Link |
| Contains | Spirogyra crassa var. formosa Transeau Spirogyra crassa var. jassiensis Teodoresco |
| GUID | urn:lsid:marinespecies.org:taxname:609370 |
| Citation | 1843 Phycol. General. 280 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Spirogyra crassa (Kützing) Kützing |
| Identification made in | [no date] (1) |