First published in Smithsonian Misc. Collect. 69(12): 3 (1919)
- Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.
Not accepted by
- Burt-Utley, K. & Utley, J.F. (2011). New species and notes on Begonia (Begoniaceae) from middle America, I Novon 21: 393-401. [Cited as Begonia mucronistipula.]
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
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