Synonyms for Galium obtusum
| Scientific Name | Synonym | Common Name |
|---|---|---|
| Hydrogalium obtusum var. filifolium | Galium obtusum | Carolina Bedstraw |
| Hydrogalium obtusum var. obtusum | Galium obtusum | Bluntleaf Bedstraw |
| Hydrogalium obtusum var. obtusum | Galium obtusum ssp. australe | Bluntleaf Bedstraw |
| Hydrogalium obtusum var. filifolium | Galium obtusum ssp. filifolium | Carolina Bedstraw |
| Hydrogalium obtusum var. obtusum | Galium obtusum ssp. obtusum | Bluntleaf Bedstraw |
| Hydrogalium obtusum var. filifolium | Galium obtusum var. filifolium | Carolina Bedstraw |
| Hydrogalium claytonii var. floridanum | Galium obtusum var. floridanum | Florida Three-lobed Bedstraw, Stiff Marsh Bedstraw |
| Hydrogalium obtusum var. obtusum | Galium obtusum var. obtusum | Bluntleaf Bedstraw |
| Hydrogalium obtusum var. obtusum | Galium obtusum var. ramosum | Bluntleaf Bedstraw |