Arya, S., Suresh, V., Biju, P., Vishnu, W.K. & Anilkumar, V.N.S. (2020)

Ludwigia venugopalanii (Onagraceae), a striking apetalous species from Kerala, India

. Phytotaxa 474 (2): 191–196. https://doi.org/10.11646/phytotaxa.474.2.10