| Name | Trifolium wormskioldii var. longicaule (Wooton & Standley) L. D. Benson |
| Authorship | (Wooton & Standley) L. D. Benson |
| Rank | Variety |
| Placed in | Trifolium wormskioldii Lehmann |
| Citation | 1941 Amer. J. Bot. 28: 363 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Trifolium wormskioldii var. longicaule (Wooton & Standley) L. D. Benson |
| Identification made in | 1942 (1) |