XIONG, C.; SUN, F.-Z.; YANG, Y.-X.; WU, L. Spiradiclis Spiradiclis hechiensis (Rubiaceae), a new cave-dwelling species from Northwest Guangxi, China. Phytotaxa, Auckland, New Zealand, v. 689, n. 2, p. 262–268, 2025. DOI: 10.11646/phytotaxa.689.2.9. Disponível em: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.689.2.9. Acesso em: 6 dec. 2025.