Iamonico, D., Fortini, P. & Di Pietro, R. (2019)

Typification of the Linnaean names Plantago afra, P. altissima, and P. lagopus (Plantago subg. Psyllium, Plantaginaceae)

. Phytotaxa 405 (4): 210–214. https://doi.org/10.11646/phytotaxa.405.4.5