[1]
Roux, M.M.L. and Klopper, R.R. 2020.

Nomenclatural clarification of the names Pelargonium althaeoides and P. chamaedrifolium (Geraniaceae)

. Phytotaxa. 440, 1 (Apr. 2020), 87–88. DOI:https://doi.org/10.11646/phytotaxa.440.1.6.