Funez, L. A., Farias, D. M., Hassemer, G., & de Gasper, A. L. (2020).

Ludwigia humboldtiana (Onagraceae), a narrowly endemic new species from the subtropical Atlantic Forest, southern Brazil

. Phytotaxa, 470(1), 77–89. https://doi.org/10.11646/phytotaxa.470.1.3