2070022 804229 Plantago barbata Forster f. G Macloskie, Reports of the Princeton University expeditions to Patagonia, 1896-1899, vol. 8, Botany, vol. 2 : t. 25, fig. A (1903) [F. v. Itterson]
 
20702112 804229 Plantago barbata Forster f. G Macloskie, Reports of the Princeton University expeditions to Patagonia, 1896-1899, vol. 8, Botany, vol. 2 : t. 25, fig. B (1903) [F. v. Itterson]
 
18298062 804229 Plantago barbata Forster f. H.G.A. Engler, Pflanzenr., vol. 269 [Heft 102], (Plantaginaceae): p. 109, fig. 16 B (1937)