Typification of the Linnaean names Plantago afra, P. altissima, and P. lagopus (Plantago subg. Psyllium, Plantaginaceae)
Plantago Linnaeus (1753: 112) (Plantaginaceae Juss.) is a cosmopolitan genus including about 250 species distributed
in the temperate zone and high-elevation tropical regions (Pilger 1937, Rahn 1996, Hassemer et al. 2016). The genus
is taxonomically critical because of its high morphological variability and plasticity, reduced number of diagnostic
characters and a still unresolved phylogenetical history (Rahn 1996, Rønsted et al. 2002).
According to the current concept (Rahn 1996, updated by Rønsted et al. 2002, and Hoggard et al. 2003), Plantago