Galium pennsylvanicum
| Galium pennsylvanicum Muhlenberg ex W. P. C. Barton, Comp. Fl. Philadelph. 1: 83. 1818, nom. illegit. | BASIONYM: Galium triflorum Michaux 1803. | TYPE: PENNSYLVANIA: |
Galium suaveolens
| Galium suaveolens Wahlenberg, Fl. Lapp. 48. 1812, nom. illegit. | BASIONYM: Galium triflorum Michaux 1803. | |
Galium triflorum forma typicum
| Galium triflorum Michaux, forma typicum Leyendecker, Iowa State Coll. J. Sci. 15: 179. 1941, nom. inadmiss. | BASIONYM: Galium triflorum Michaux 1803. | |
Galium brachiatum
| Galium brachiatum Pursh, Fl. Amer. Sept. 103. 1813. | | |
Galium cuspidatum
| Galium cuspidatum Muhlenberg ex Elliott, Sketch Bot. S. Carolina 1: 197. 1816. | | TYPE: SOUTH CAROLINA: |
Galium jalapense
| Galium jalapense Schlechtendal, Linnaea 9: 591. 1835. | | TYPE: MEXICO: Veracruz: Jalapa, |
Galium longicaule
| Galium longicaule Rafinesque, Fl. Ludov. 75. 1817. | | TYPE: LOUISIANA: |
Galium triflorum forma glabrum
| Galium triflorum Michaux, forma glabrum Leyendecker, Iowa State Coll. J. Sci. 15: 180. 1941. | | |
Galium triflorum forma hispidum
| Galium triflorum Michaux, forma hispidum Leyendecker, Iowa State Coll. J. Sci. 15: 180. 1941. | | |
Galium triflorum forma rollandii
| Galium triflorum Michaux, forma rollandii Victorin, Naturaliste Canad. 71: 208. 1944. | | TYPE: CANADA: |
Galium triflorum var. asprelliforme
| Galium triflorum Michaux, var. asprelliforme Fernald, Rhodora 37: 445, t. 404(1). 1935. | | TYPE: VIRGINIA: Norfolk Co.: Near Great Bridge, 4-5 Aug 1934, Fernald & Long 4205 (holotype: GH). |
Galium triflorum var. viridiflorum
| Galium triflorum Michaux, var. viridiflorum de Candolle, Prodr. 4: 602. 1830. | | |