Brummitt, R.K. (1990) Trichodesma Flora Zambesiaca 7(4)
Taton, A. (1971) Boraginaceae Flore du Congo du Rwanda et du Burundi Jardin Botanique National de Belgique
| Species | FZ divisions | Content |
| ambacense Welw. subsp. hockii (De Wild.) Brummitt | B,N,W,C,E,S | Description, Image |
| physaloides (Fenzl) A. DC. | N,W | Description, Image |
| zeylanicum (Burm. f.) R. Br. | N,W,C,E,S | Description, Image |