Girmansyah D, Susila S, Hughes M.

A revision of Begonia sect. Petermannia on Sumatra, Indonesia

. Phytotaxa [Internet]. 2019 Jun. 26 [cited 2025 Dec. 6];407(1):79–100. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.407.1.11