Petra Hoffm. (Alain) 2008 - Hoffmann P (2008) Revision of Heterosavia, stat. nov., with notes on Gonatogyne and Savia (Phyllanthaceae). Brittonia 60(2): 136-166. doi: 10.1007/s12228-008-9012-5.
There is no corrections for Heterosavia maculata var. clementis yet.