M.S.Trudgen & W.J.Baker (Becc.) 2009 - Trudgen MS, Baker WJ (2008) A revision of the Heterospathe elegans (Arecaceae) complex in New Guinea. Kew Bulletin 63(4): 639-647. doi: 10.1007/s12225-008-9063-5.
There is no corrections for Heterospathe elegans subsp. humilis yet.