| Author | Title | Journal/publisher | Literature ref. no. |
| Champluvier, D. & Darbyshire, I. (2009) | A revision of the genera Brachystephanus and Oreacanthus (Acanthaceae) in tropical Africa | Systematics and Geography of Plants 79(2) 115-192 | 891 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| No species found |