| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Calathea fragilis Gleason | R. A. Alston 495 Apr 1926 | Guyana. Erengtaru, Maicwac River. | holotype | 1477282 |  |
| Calathea fragilis Gleason | R. A. Alston 495 Apr 1926 | Guyana. Erengtaru, Maicwac River. | holotype | 1477281 |  |
| Calathea fragilis Gleason | C. A. Cid Ferreira 1635 with J. Ramos, C. D. Mota & M. Rosas, 18 Jul 1980 | Brazil. Pará. Oriximiná Mun. Rio Trombetas, margem esquerda, Lago Erepecu ao Norte do lago. | 1523230 |  | |
| Calathea fragilis Gleason | G. T. Prance 10816 with W. C. Steward, F. P. Harter, J. F. Ramos, W. S. Pinheiro & O. P. Monteiro, 02 Mar 1971 | Brazil. Roraima. Indian trail from Surucucu to Uaicá. Vicinity of Uaicá airstrip, Rio Uraricoeira. | 1291837 |  | |
| Calathea fragilis Gleason | G. T. Prance 10816 with W. C. Steward, F. P. Harter, J. F. Ramos, W. S. Pinheiro & O. P. Monteiro, 02 Mar 1971 | Brazil. Roraima. Indian trail from Surucucu to Uaicá. Vicinity of Uaicá airstrip, Rio Uraricoeira. | 1291838 |  |