Ahedor, A.R. 2019. Bacopa. In: Flora of North America. Editorial committee (eds), Flora of North America North of Mexico, Vol. 17. New York, New York.
APASD, 2007. Asian-Pacific Alien Species Database. http://www.naro.affrc.go.jp/archive/niaes/techdoc/apasd/Bacopa%20monnieri%20-B.html.
Boissier, E. 1879. Flora Orientalis sive enumeratio plantarum in Oriente a Graecia et Aegypto and Indiae fines hucusque observatarum, Vol. 4. Pp. 281–1276, Genevae & Basileae: H. Georg.
Collenette, S. 1999. Wildflowers of Saudi Arabia. Riyadh.
DAISIE, 2017. Delivering Alien Invasive Species Inventories for Europe. In: Delivering Alien Invasive Species Inventories for Europe. http://www.europe-aliens.org.
Deyuan, H., Hanbi, Y., Cun-li, J., Manfred, A., Fischer, E., Holmgren, H. & Robert, R. 1998. Bacopa. Pp. 21–22. In: Wu, C.Y., Raven, P.H. & Hong, D.Y. (eds), Flora of China 18. Science Press, Beijing & Missouri Botanical Garden Press, St. Louis.
Díaz, J.F. & Beiras, M.B. 2007. Invasive Plants of Galicia. Biology, distribution and control methods. (Plantas Invasoras De Galicia. Bioloxía, distribución e métodos de control). Xunta De Galicia, http://www.siam.-cma.org/PUBLICACIONS/doc.asp?id=373.
Fragman, O., Plitman, V., Heller, D. & Shmida, A. 1999. Checklist and Ecological Data-base of the Flora of Israel and its Surroundings. Jerusalem.
Gohil, K.J. & Patel, J.A. 2010. A review on Bacopa monniera: current research and future prospects. International Journal of Green Pharmacy 4(1): 1–9.
GRIIS, 2017. Global Register of Introduced and Invasive Species. http://www.griis.org.
Hepper, F.N. & Friis, I. 1994. The plants of Pehr Forsskal's 'Flora aegyptiaco-arabica' collected on the Royal Danish expedition to Egypt and the Yemen, Kew. Pp. 1761–1763.
ISSG, 2017. Global Invasive Species Database (GISD). In: Global Invasive Species Database (GISD): Invasive Species Specialist Group of the IUCN Species Survival Commission. http://www.issg.org/database/welcome.
Lansdown, R.V., Knees, S.G. & Patzelt, A. 2013. Bacopa monnieri. In: The IUCN Red List of Threatened Species. http://dx.doi.org/10.2305/IUCN.UK.2013-1.RLTS.T164168A17722668.en.
Les, D.H. 2017. Aquatic dicotyledons of North America: Ecology, Life history, and Systematics. CRC Press. 1350 pp.
Olmstead, R.G. 2002. Whatever happened to the Scrophulariaceae. Fremontia 30(2): 13–22.
Olmstead, R.G., de Pamphilis, C.W., Wolfe, A.D., Young, N.D., Elisons, W.J. & Reeves, P.A. 2001. Disintegration of the Scrophulariaceae. American journal of Botany 88(2): 348–361.
Pierce, S.C., Pezeshki, S.R., Larsen, D. & Moore, M.T. 2009. Hydrology and species-specific effects of Bacopa monnieri and Leersia oryzoides on soil and water chemistry. Ecohydrology 2(3): 279–286.
PROSEA. 2017. Plant Resources of South-East Asia. Online resources. Bogor, Indonesia: PROSEA Foundation. https://www.prota4u.org/prosea.
Rai, U.N., Sinha, S., Tripathi, R.D. & Chandra, P. 1995. Wastewater treatability potential of some aquatic macrophytes: removal of heavy metals. Ecological Engineering 5(1): 5–12.
Rechinger, K.H. 1981. Bacopa. Pp. 288–289. In: Rechinger, K.H. (ed.), Flora Iranica 147. Graz.
Rojas-Sandoval, J. 2018. Bacopa monnieri (water hyssop). Invasive Species Compendium. Wallingford, UK: CABI. DOI: 10.1079/ISC.112638.20203483089.
Saeidi-Mehrvarz, S., Attar, F., Hamdi, SMM, Sharifnia, F., Assadi, M., Yousef Naanaei, S. & Mehregan, I. 2011. Scrophulariaceae. No. 68. In: Asadi, M., Masumi, A., Babakhanloo, P. & Mozafariyan, V. (eds), Flora of Iran. Research Institute of Forests & Rangelands Press, Tehran, Iran (In Persian).
Sosa, M.D.L.M., Moroni, P. & O’Leary, N. 2018. A taxonomic revision of the genus Bacopa (Gratioleae, Plantaginaceae) in Argentina. Phytotaxa 336(1): 1–27.
Wood, J.R.L. 1997. A Handbook of the Yemen Flora. Kew.