Trifolium longipes var. reflexum A.Nelson

POWO follows these authorities in synonymising this name:

• Flora of North America Editorial Committee (2023). Flora of North America North of Mexico 11(2): 543-1108. Oxford University Press, New York, Oxford. [Cited as Trifolium longipes subsp. reflexum.]

This name was accepted following an alternative taxonomy by these authorities:

• Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico. [Cited as Trifolium longipes var. reflexum.]
• Isely, D. (1998). Native and Naturalized Leguminosae (Fabaceae) of the United States: 1-1007. Monte L. Bean Life Science Museum. Brigham Young University, Provo, Utah. [Cited as Trifolium longipes var. reflexum.]
• Larson, J., Reif, B., Nelson, B.E. & Hartman, R.L. (2014). Floristic studies in North Central New Mexico, U.S.A. the Sange de Cristo mountains. Journal of the Botanical Research Institute of Texas 8: 271-303. [Cited as Trifolium longipes var. reflexum.]