R. E. HOLTTUM (2025) “FLORAE MALESIANAE PRAECURSORES XVI ON THE TAXONOMIC SUBDIVISION OF THE GLEICHENIACEAE, WITH DESCRIPTIONS OF NEW MALAYSIAN SPECIES AND VARIETIES”, Reinwardtia, 4(2), pp. 256–281. Available at: https://biologyjournal.brin.go.id/index.php/reinwardtia/article/view/72 (Accessed: 25 June 2026).