| Name | Ectocarpus cylindricus D. A. Saunders |
| Authorship | D. A. Saunders |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Ectocarpus Lyngbye |
| Contains | Ectocarpus cylindricus var. codiophilus Setchell & N. L. Gardner |
| Remarks | Created from Taxon Name Import: Ectocarpus cylindricus D. A. Saunders |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ectocarpus cylindricus D. A. Saunders |
| Identification made in | [no date] (1) |