Arya, S., Suresh, V., Biju, P., Vishnu, W.K. and Anilkumar, V.N.S. 2020.

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

. Phytotaxa. 474, 2 (Dec. 2020), 191–196. DOI:https://doi.org/10.11646/phytotaxa.474.2.10.