Ardiyani, M., Ardi, W.H. & Santoso, W. (2021)

Zingiber ultralimitale subsp. matarombeoense Ardiyani & Ardi (Zingiberaceae), a new subspecies from Sulawesi

. Phytotaxa 527 (1): 32–40. https://doi.org/10.11646/phytotaxa.527.1.3