Grieve, K. W., & Bester, S. P. (2023).

Re-instatement of Craterostigma nanum (Linderniaceae) from the Pondoland Centre of Floristic Endemism and key to the South African species

. Phytotaxa, 592(2), 135–143. https://doi.org/10.11646/phytotaxa.592.2.7