Verdc. (Harms) 1972 - Verdcourt B (1972) Studies in the Leguminosae-Papilionoideae-Hedysareae (Sensu Lato) for the 'Flora Zambesiaca': 2. Kew Bulletin 27(3): 435-445. doi: 10.2307/4114356.
There is no corrections for Aeschynomene baumii var. kassneri yet.