For Bacopa
Ahedor, A.R. 2019a. Bacopa. In Flora of North America Editorial Committee. 2019. Flora of North America north of Mexico. Volume 17, Magnoliophyta: Tetrachondraceae to Orobanchaceae. Oxford Univ. Press, New York, NY. 737 pp.
Fernald, M.L. 1942a. The seventh century of additions to the flora of Virginia. Rhodora 44: 355-356, 438-440.
Pennell, F.W. 1935. The Scrophulariaceae of eastern temperate North America. Academy of Natural Sciences of Philadelphia Monograph No. 1.
Schuyler, A.E. 1989. Intertidal variants of Bacopa rotundifolia and B. innominata in the Chesapeake Bay drainage. Bartonia 55: 18-22.
Tippery, N.P., D. Gonzalez-Socoloske, F. Leliaert, T.A. Thompson, A.V. Scatigna, V. Castro Souza. 2024. Systematics and biogeography of Bacopa (Plantaginaceae). Plant Syst. Evol. 310:7.
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