| Billbergia Thunb. [161] | |
| Monogr. Trochilidae, vol. 3 : t. 175 (1861) [J. Gould & H.C. Richter] [87] | |
| drawing: J. Gould [420] | |
| drawing: H.C. Richter | |
| Illustration contributed by: | Smithsonian Institute, Washington, D.C., U.S.A. |
Monogr. Trochilidae, vol. 3 : t. 175 (1861) [J. Gould & H.C. Richter]