[1]
Reddy, M.M., Stegenga, H., Anderson, R.J. and Bolton, J.J. 2020.

An updated species inventory of Callithamnion sensu lato Rhodophyta, Callithamniaceae in South Africa with the description of Callithamnion africanum sp. nov.

. Phytotaxa. 461, 3 (Oct. 2020), 139–154. DOI:https://doi.org/10.11646/phytotaxa.461.3.1.