Sousa DJ, Siqueira GB, Giulietti AM.

Two new species of Pontederia L. (Pontederiaceae Kunth) to South America

. Phytotaxa [Internet]. 2020 Feb. 12 [cited 2025 Apr. 8];432(3):252–262. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.432.3.2