Lammers, T.G., 1998. Review of the neotropical endemics Burmeistera, Centropogon, and Siphocampylus (Campanulaceae: Lobelioideae), with description of 18 new species and a new section. , Brittonia vol. 50: 233-262 (1998)
 
383887 Proc. Linn. Soc. New South Wales, vol. 23 : t. 26 (1898) [A.G. Hammilton]
 
515652 221386 Centropogon cordifolius Benth. L.B. Van Houtte, Fl. Serres, vol. 4 : p. 362 (1848) [L. Stroobant]
 
2458622 221388 Centropogon cornutus (L.) Druce [80 614602 Lobelia cornuta L.] M. Barnas-Pomeroy, C.F.J. Barnas, Wildflowers and landscapes of Ecuador - The way we knew it fasicle YG, : t. 11 (2014) [M. Barnas-Pomeroy]
 
2459212 221388 Centropogon cornutus (L.) Druce [80 614602 Lobelia cornuta L.] M. Barnas-Pomeroy, C.F.J. Barnas, Wildflowers and landscapes of Ecuador - The way we knew it fasicle B, : t. 6 (2014) [M. Barnas-Pomeroy]
 
1041012 221651 Centropogon pinguis E.Wimm. J.C. Mutis, Draw. Roy. Bot. Exped. Granada: t. 1199 (1783) [José Manuel Martínez & José Joaquín Pérez]
 
2459222 221712 Centropogon subandinus Zahlbr. M. Barnas-Pomeroy, C.F.J. Barnas, Wildflowers and landscapes of Ecuador - The way we knew it fasicle B, : t. 7 (2014) [M. Barnas-Pomeroy]
 
520612 221728 Centropogon tovarensis Planchon & Linden L.B. Van Houtte, Fl. Serres, vol. 8 : t. 802 (1853)