| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Scaphyglottis grandiflora Ames & C.Schweinf. | G. H. H. Tate 923 Aug 1928-Apr 1929 | Venezuela. Amazonas. Slopes of Mount Duida. | holotype | 9326 |  |
| Scaphyglottis grandiflora Ames & C.Schweinf. | S. S. Tillett 43957 | Guyana. Upper Mazaruni River Basin. Merume Mountain. | 4139373 |  | |
| Scaphyglottis grandiflora Ames & C.Schweinf. | B. Maguire 42478 | Venezuela. Amazonas. Cerro de la Neblina, Rio Yatua. Canon Grande SSW of Cumbre Camp. | 4139384 |  | |
| Scaphyglottis grandiflora Ames & C.Schweinf. | G. H. H. Tate 832 | Venezuela. Amazonas. Summit of Mount Duida. Savanna Hills. | 4139374 |  | |
| Scaphyglottis grandiflora Ames & C.Schweinf. | 04384261 |  | |||
| Scaphyglottis grandiflora Ames & C.Schweinf. | M. H. Nee 30647 | Venezuela. Cerro de la Neblina, Camp VII, 5 km. NE of Pico Phelps (=Neblina). | 4139381 |  | |
| Scaphyglottis grandiflora Ames & C.Schweinf. | R. L. Liesner 21725 | Venezuela. Amazonas. Atures Mun. Along stream on plateau north of unnamed peak, 9 km NW of settlement of Yutaje, 4 km NW of settlement of Yutaje, 4 km W of Río Coro-Coro, W of Serranía de Yutaje. | 4139377 |  | |
| Scaphyglottis grandiflora Ames & C.Schweinf. | B. M. Boom 7677 | Guyana. Upper Mazaruni River region, Karowtipu Mountain. Between camp and peak on western side of mountain. | 4139372 |  | |
| Scaphyglottis grandiflora Ames & C.Schweinf. | B. Maguire 36997 | Venezuela. Amazonas. Cerro de la Neblina, Río Yatua, Summit. | 4139382 |  | |
| Scaphyglottis grandiflora Ames & C.Schweinf. | B. Maguire 37264 | Venezuela. Amazonas. Cerro de la Neblina, Río Yatua, upper slope forest above Camp 4. | 4139379 |  | |
| Scaphyglottis grandiflora Ames & C.Schweinf. | B. Maguire 37316 | Venezuela. Amazonas. Cerro de la Neblina, Río Yatua, west escarpment savanna 4-8 km. southwest of Cumbre Camp. | 4139380 |  | |
| Scaphyglottis grandiflora Ames & C.Schweinf. | F. Cardona Puig 2053 | Venezuela. Cerro Uaipán, Caroní, Guayana Epífita. | 4139383 |  | |
| Scaphyglottis grandiflora Ames & C.Schweinf. | J. A. Steyermark 129492 | Venezuela. Amazonas. Atabapo Mun. Cerro Marahuaca: Cumbre, parte central de la Meseta Sur-Este, al lado de una grieta, a lo largo de la Quebrada Yekuana, afluente del río Negro. | 4139378 |  | |
| Scaphyglottis grandiflora Ames & C.Schweinf. | J. A. Steyermark 59962 | Venezuela. Bolívar. Ptari-tepuí, south-facing densely forested slopes overlying sandstone, vicinity of "Cave Rock". | 4139376 |  | |
| Scaphyglottis grandiflora Ames & C.Schweinf. | P. J. M. Maas 5746 | Guyana. Cuyuni-Mazaruni. Pakaraima Mts., Mt. Aymatoi (sandstone). | 04139371 |  | |
| Scaphyglottis grandiflora Ames & C.Schweinf. | P. J. M. Maas 5830 | Guyana. Cuyuni-Mazaruni. Pakaraima Mts, Mt. Aymatoi. | 4139375 |  |