Begonia lasioura D.C.Thomas & Ardiin Edinburgh J. Bot. 68(2): 233. 2011, nom. val.
Isotype: Indonesia, Sulawesi, Sulawesi Selatan, Mankutana-Pendolo divide, alt. 600 m, 2°21'29.1"S, 120°47'42.3"E, 3.5.2009, Thomas, D.C. & Ardi, W.H. 09-110 (BO)
Holotype: Indonesia, Sulawesi, Sulawesi Selatan, Mankutana-Pendolo divide, alt. 600 m, 2°21'29.1"S, 120°47'42.3"E, 3.5.2009, Thomas, D.C. & Ardi, W.H. 09-110 (E)
Isotype: Indonesia, Sulawesi, Sulawesi Selatan, Mankutana-Pendolo divide, alt. 600 m, 2°21'29.1"S, 120°47'42.3"E, 3.5.2009, Thomas, D.C. & Ardi, W.H. 09-110 (L)