Mustaqim, W. A., Z. Arico, Misdi, and P. W. Hutabarat. “Heptapleurum kemirianum (Araliaceae), a New Subalpine Endemic Shrub from Gayo Plateau, Sumatra”. Phytotaxa, vol. 754, no. 1, May 2026, pp. 115-9, doi:10.11646/phytotaxa.754.1.7.