| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Columnea sulfurea Donn.Sm. | H. von Türckheim 7646 Jun 1901 | Guatemala. Alta Verapaz. Cubilquitz. | isotype | 312598 |  |
| Columnea sulfurea Donn.Sm. | J. L. Clark 6275 30 May 2001 | United States of America. Collected from the Greenhouse of Bob and Dee Stewart (Stow, MA). Stewart accession no. 12524. Obtained by Stewart's from Hans Wiehler (Gesneiad Research Foundation, Sarasota, FL) in July 1996 (Wiehler #G-3770). |