| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Tibouchina gracilis var. robusta Cogn. | T. Rojas Dec 1907 | Paraguay. Sierra de Amambay. | isotype | 245766 |  |
| Tibouchina robusta Cogn. | J. B. E. Pohl 1628 s.d. | Brazil. In sylvis montasis ad Morro do Manuel Gomez prope Villa Boa. | isotype | 245803 |  |
| Tibouchina robusta Cogn. | J. H. Kirkbride Jr. 3368 10 Feb 1980 | Brazil. Goiás. Goiás Mun. Ca 3 km NO de Goiás Velho. | 00941767 |  | |
| Tibouchina robusta Cogn. | L. R. Landrum 4267 02 Feb 1982 | Brazil. Minas Gerais. Caeté Mun. Serra da Piedade, km 1-5 on road to top of Serra. | 00941768 |  |