Rorippa palustris var. fernaldiana (Butters & Abbe) Stuckey

POWO follows these authorities in synonymising this name:

• Flora of North America Editorial Committee (2010). Flora of North America North of Mexico 7: 1-797. Oxford University Press, New York, Oxford. [Cited as Rorippa palustris.]

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

• Jones, R.L. (2005). Plant life of Kentucky. An illustrated guide to the vascular flora: 1-833. The universitry press of Kentucky. [Cited as Rorippa palustris var. fernaldiana.]
• Kral, R., Diamond, A.R., Ginzbarg, S.L., Hansen, C.J., Haynes, R.R., Keener, B.R., Lelong, M.G., Spaulding, D.D. & Woods, M. (2011). Annotated checklist of the vascular plants of Alabama: 1-112. Botanical reseach institute of Texas. [Cited as Rorippa palustris var. fernaldiana.]
• 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 Rorippa palustris var. fernaldiana.]
• Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale. [Cited as Rorippa palustris var. fernaldiana.]
• Stevens, W.D., Ulloa U., C., Pool, A. & Montiel, O.M. (2001). Flora de Nicaragua. Monographs in Systematic Botany from the Missouri Botanical Garden 85: i-xlii, 1-2666. Missouri Botanical Garden. [Cited as Rorippa palustris var. fernaldiana.]