| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Geissanthus goudotianus Mez | J. J. Triana s.n. 1854-1857 | Colombia. Fôrets de Quindio. | type | 329238 |  |
| Geissanthus ecuadorensis Mez | R. Spruce 5076 1857-1859 | Ecuador. In Andibus Ecuadorensibus. | isotype | 329235 |  |
| Geissanthus fragrans Mez | A. Fendler 759 1855 | Venezuela. Aragua. Prope Coloniam Tovar. | syntype | 329236 |  |
| Geissanthus andinus Mez | R. Spruce 5307 1857-1859 | Ecuador. In Andibus Ecuadorensibus. | isotype | 329226 |  |