| Name | Aongstroemia hilariana (Montagne) Müller Halle |
| Authorship | (Montagne) Müller Halle |
| Rank | Species |
| Placed in | Aongstroemia Bruch & Schimper |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Aongstroemia hilariana (Montagne) Müller Halle |
| Identification made in | [no date] (4) |