| Name | Monotagma grallatum subsp. subcentricifolium Hagberg & R. Erikss. |
| Authorship | Hagberg & R. Erikss. |
| Rank | Subspecies |
| Placed in | Monotagma grallatum Hagberg & R. Erikss. |
| Citation | 2011 Phytotaxa 20: 5 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Monotagma grallatum subsp. subcentricifolium Hagberg & R. Erikss. |
| Identification made in | [no date] (1), 2012 (1) |