| Juncaceae | ** |
Juncus nodosus var. genuinus
| Engelm. | Trans. Acad. Sci. St. Louis 2: 436 | 1868 |
| Juncaceae | |
Juncus nodosus fo. intermedius
| Kneuck. | Allg. Bot. Z. Syst. 17: Beibl. 11 | 1911 |
| Juncaceae | |
Juncus nodosus var. megacephalus
| Torr. | Fl. New York 2: 326 | 1843 |
| Juncaceae | |
Juncus nodosus var. meridianus
| F.J. Herm. | J. Arnold Arbor. 25(1): 58 | 1944 |
| Juncaceae | * |
Juncus nodosus var. multiflorus
| (Michx.) Torr. | Fl. New York 2: 326 | 1847 |
| Juncaceae | |
Juncus nodosus var. nodosus
| | | |
| Juncaceae | |
Juncus nodosus var. prolifer
| Lunell | Amer. Midl. Naturalist 4: 238 | 1915 |
| Juncaceae | |
Juncus nodosus var. proliferus
| Lunell | Amer. Midl. Naturalist 4(6): 238 | 1915 |
| Juncaceae | |
Juncus nodosus var. texanus
| Engelm. | Trans. Acad. Sci. St. Louis 2: 471–472 | 1868 |
| Juncaceae | * |
Juncus nodosus var. vulgaris
| Torr. | Fl. New York 2: 326 | 1843 |