| Name | Jania micrarthrodia f. antennina (Kützing) Yendo |
| Authorship | (Kützing) Yendo |
| Rank | Forma |
| Placed in | Jania micrarthrodia J. V. Lamouroux |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Jania micrarthrodia f. antennina (Kützing) Yendo |
| Identification made in | [no date] (1) |