H. Ranasinghe, K. Yakandawala, and D. Yakandawala, “Resolving Herbarium Misidentifications and Confirming the Occurrence of Blyxa echinosperma (Hydrocharitaceae) in Sri Lanka: With Implications for Global Distribution Records”, Phytotaxa, vol. 781, no. 3, pp. 239–250, Oct. 2026.