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Boyd, A. E.; Preusser, A. (2016). "Vascular flora of the Sandy Bottom Wetland Preserve, Buncombe County, North Carolina". Castanea. 81 (4): 323–332. doi:10.2179/16-094.
Schmidt, B. L.; Millington, W. F. (1968). "Regulation of leaf shape in PROSERPINACA palustris". Bulletin of the Torrey Botanical Club. 95 (3): 264–286. doi:10.2307/2483674. JSTOR2483674.