Penstemon coriaceus W. Schaffn. ex A. Gray, Syn. Fl. N. Amer. 2: 440. 1886

Holotype: Mexico, San Luis Potosí (Flora Mexicana ex convalli San Luis Potosi, in montibus San Miguelito), 2 Aug 1876, Schaffner 751 (K: 000528846)

Syntype: Mexico, San Luis Potosí (Flora Mexicana ex convalli San Luis Potosi, in montibus San Miguelito), 2 Aug 1876, Schaffner 751 (MEXU)

Taxon for this name: