| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Marcgraviastrum grandiflorum de Roon & Bedell | G. Tessmann 4699 | Peru. Mouth of Rio Santiago. | holotype | 353676 | |
| Marcgraviastrum | H. T. Beck 2327 | Ecuador. |
| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Marcgraviastrum grandiflorum de Roon & Bedell | G. Tessmann 4699 | Peru. Mouth of Rio Santiago. | holotype | 353676 | |
| Marcgraviastrum | H. T. Beck 2327 | Ecuador. |