Coombes, A.J. and Vázquez, F.M. 2021. Correct citation and lectotypification of Quercus ×kabylica and Q. ×numidica (Fagaceae). Phytotaxa. 478, 2 (Jan. 2021), 275–280. DOI:https://doi.org/10.11646/phytotaxa.478.2.9.