Heiduk, A. (2023) Ceropegia cryptobarbata sect. Chamaesiphon (Apocynaceae—Asclepiadoideae), a novel tuberous species from the Drakensberg foothills in South Africa. Phytotaxa 613 (2): 162–170. https://doi.org/10.11646/phytotaxa.613.2.5