| Name | Plagiochila longispina Lindenberg & Gottsche |
| Authorship | Lindenberg & Gottsche |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Plagiochila |
| Citation | 1847 Syn. Hepat. 642 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Plagiochila longispina Lindenberg & Gottsche |
| Identification made in | [no date] (2), 1999 (1) |