The Philippine species of Begonia / 
by E.D. Merrill. 
<br/><br/> Reprinted from: Philippine journal of science; vol.6, no. 6, sec. C, Botany, December 1911. pp.369-407 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Begonias--Classification.<br/>Begoniaceae--Philippines.<br/>Acetosa.