NOPPORNCHAROENKUL, N.; EAKJAMNONG, W.; SOMNOO, T.; PUNCHAY, K. Taxonomic treatment of nyctanthous species of Kaempferia subgen. Protanthium (Zingiberaceae), with two new infraspecific taxa endemic to Thailand. The Thailand Natural History Museum Journal, [S. l.], v. 20, n. 2, p. 137–171, 2026. Disponível em: https://li05.tci-thaijo.org/index.php/thnhmj/article/view/1927. Acesso em: 4 oct. 2026.