| Name | Acrochaetium virgatulum f. secundata (Lyngbye) Rosenvinge |
| Authorship | (Lyngbye) Rosenvinge |
| Rank | Forma |
| Placed in | Acrochaetium virgatulum (Harvey) Batters |
| GUID | urn:lsid:marinespecies.org:taxname:553542 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Acrochaetium virgatulum f. secundata (Lyngbye) Rosenvinge |
| Identification made in | [no date] (1) |