Cassia nigricans Vahl

POWO follows these authorities in synonymising this name:

• Brummitt, R.K., Chikuni, A.C., Lock, J.M. & Polhill, R.M. (2007). 61. Leguminosae Subfamily Caesalpinioideae. Flora Zambesiaca 3(2): 1-218. Royal Botanic Gardens, Kew. [Cited as Chamaecrista nigricans.]
• Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew. [Cited as Chamaecrista nigricans.]
• Dobignard, A. & Chatelain, C. (2012). Index synonymique de la flore d'Afrique du nord 4: 1-431. Éditions des conservatoire et jardin botaniques, Genève. [Cited as Chamaecrista nigricans.]
• Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Chamaecrista nigricans.]
• Kumar, S. & Sane, P.V. (2003). Legumes of South Asia. A Checklist: 1-536. Royal Botanic Gardens, Kew. [Cited as Chamaecrista nigricans.]
• Lock, J.M. (1989). Legumes of Africa a check-List: 1-619. Royal Botanic Gardens, Kew. [Cited as Chamaecrista nigricans.]

Flora of West Tropical Africa

• Benth. in Trans. Linn. Soc. 27: 577
• Chev. Bot. 223
• Steyaert in Fl. Congo Belge 3: 518.
• —F.T.A. 2: 280

Flora of Tropical East Africa

• Bak. f., Leguminosae of Tropical Africa: 641 (1930).
• Ghesq. in Bulletin du Jardin Botanique de l'État a Bruxelles 9: 161 (1932).
• Mendonça & Torre in Consp. Fl. Angol. 2: 181 (1956).
• Steyaert in Flore du Congo Belge et du Ruanda-Urundi, 3: 518 (1952).
• Vahl, Symb. Bot. 1: 30 (1790).