| Name | Galium obtusum Bigelow |
| Authorship | Bigelow |
| Rank | Species |
| Placed in | Galium Linnaeus |
| Contains | Galium obtusum subsp. filifolium (Wiegand) Puff |
| GUID | urn:lsid:ipni.org:names:750329-1 |
| Holdings | 259 Specimens held in the Harvard University Herbaria identified as Galium obtusum Bigelow |
| Identification made in | [no date] (254), 1974 (3), 2017 (2) |