| Name | Symphyosiphon involvens A. Braun |
| Authorship | A. Braun |
| Rank | Species |
| NomenclaturalStatus | NomInvalid |
| Placed in | Symphyosiphon Kützing ex A. B. Frank |
| Remarks | The starting date for valid publication of this group is 1886 |
| Citation | 1856 Hedwigia 1: 105 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Symphyosiphon involvens A. Braun |
| Identification made in | [no date] (1) |