| Name | Gelidium corneum var. pinnatum (Hudson) Duby |
| Authorship | (Hudson) Duby |
| Rank | Variety |
| Placed in | Gelidium corneum (Hudson) J. V. Lamouroux |
| Citation | 1830 Bot. Gall. 948 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Gelidium corneum var. pinnatum (Hudson) Duby |
| Identification made in | [no date] (6) |