Florentín, J. E.; Nuñez-Florentin, M.; Salas, R. M. Advancements in Galianthe (Spermacoceae-Rubiaceae) Knowledge: Complete Description of G. longifolia and New Records for G. thalictroides In Mato Grosso Do Sul, Brazil. Phytotaxa 2024, 655, 89-96.