| Name | Galium hypocarpium subsp. hypocarpium |
| Authorship | |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Galium hypocarpium (Linnaeus) Endlicher |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Galium hypocarpium subsp. hypocarpium |
| Identification made in | 1985 (2) |