| Name | Isopterygium minutirameum f. brevifolium M. Fleischer |
| Authorship | M. Fleischer |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Isopterygium minutirameum (Müller Halle) A. Jaeger |
| Citation | 1923 Musc. Buitenzorg 4: 1427 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Isopterygium minutirameum f. brevifolium M. Fleischer |
| Identification made in | [no date] (4) |