| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Psammisia ferruginea A.C.Sm. | E. Asplund 18511 19 Nov 1955 | Ecuador. Pastaza. Napo/Pastaza. Mera, forest on shore of Rio Pastaza. | 2643063 |  | |
| Psammisia ferruginea A.C.Sm. | X. Cornejo 6532 with C. Bonifaz, 12 Sep 1998 | Ecuador. Esmeraldas. Reserva Cotacachi-Cayapas, 1 km al interor del bosque desde el río Tigre. | |||
| Psammisia ferruginea A.C.Sm. | X. Cornejo 6532 with C. Bonitaz, 12 Sep 1998 | Ecuador. Esmeraldas. Reserva Cotacachi-Cayapas, 1 km al interior del bosque desde Río Tigre. | 2643104 |  | |
| Psammisia ferruginea A.C.Sm. | W. H. Camp E-1701 13 May 1944 | Ecuador. Napo/Pastaza. "Oriente": Valley of the Río Pastaza and adjacent uplands. Shell Mera (E of Mera). | 2643046 |  | |
| Psammisia ferruginea A.C.Sm. | W. H. Camp E-1566 15 Dec 1944 | Ecuador. Santiago-Zamora. Between Tres Ranchos and Chontal. "Oriente": Eastern slope of the Cordillera, valley of Ríos Negro and Chupianza (on the trail from Sevilla de Oro to Mendez). | 2643049 |  | |
| Psammisia ferruginea A.C.Sm. | W. H. Camp E-1199 17 Nov 1944 - 05 Dec 1944 | Ecuador. Santiago-Zamora. "Oriente": Cordillera Cutucú. On banks of Río Itzintza. | 2643050 |  | |
| Psammisia ferruginea A.C.Sm. | W. H. Camp E-2399 17 Apr 1945 | Ecuador. Napo/Pastaza. Uplands near El Topo, along trail to La Gloria. | 2643051 |  | |
| Psammisia ferruginea A.C.Sm. | W. H. Camp E-1159 17 Nov 1944 - 05 Dec 1944 | Ecuador. Santiago-Zamora. Along the streams of the W slope of the Cutucú. Ridge ascending into central Cutucu. "Oriente": Cordillera Cutucú. | 2643052 |  | |
| Psammisia ferruginea A.C.Sm. | W. Lobb 89 s.d. | Colombia. Pilispi. New Granada. | holotype fragment | 11010 |  |
| Psammisia ferruginea A.C.Sm. | H. Balslev 10321 with E. Madsen, 25 Oct 1976 | Ecuador. Napo. Baeza vic. | |||
| Psammisia ferruginea A.C.Sm. | H. Lugo Sanchez 4559 08 Nov 1974 | Ecuador. Pastaza. Parayacu, ca 10 km E of Canelos. | |||
| Psammisia ferruginea A.C.Sm. | H. Lugo Sanchez 3802 15 Apr 1973 | Ecuador. Tungurahua. El Topo, ca 10 km NW of Mera. | |||
| Psammisia ferruginea A.C.Sm. | H. Lugo Sanchez 4716 28 Nov 1974 | Ecuador. Pastaza. Puyo-Macas rd., ca 15 km SE of Puyo. | |||
| Psammisia ferruginea A.C.Sm. | E. W. Davis 499 16 Dec 1976 | Ecuador. Napo. Vic. Cosanga, footbridge over Rio Cosanga. | |||
| Psammisia ferruginea A.C.Sm. | G. W. Harling 7877 with et al., 27 Mar 1968 | Ecuador. Pastaza. Mera. | |||
| Psammisia ferruginea A.C.Sm. | H. Lugo Sanchez 643 05 Mar 1969 | Ecuador. Tungurahua. Colonia Mexico, ca 4 km from El Topo, N side Rio Pastaza. | |||
| Psammisia ferruginea A.C.Sm. | H. Lugo Sanchez 1763 21 Apr 1971 | Ecuador. Tungurahua. Rio VErde. | |||
| Psammisia ferruginea A.C.Sm. | M. T. Madison 3900 13 Apr 1977 | Ecuador. Carchi. Vic. Maldonado. | |||
| Psammisia ferruginea A.C.Sm. | G. W. Harling 16455 with L. Andersson, 11 Feb 1980 | Ecuador. Napo. 4 km W of Cosanga. | |||
| Psammisia ferruginea A.C.Sm. | G. W. Harling 16191 with L. Andersson, 04 Feb 1980 | Ecuador. Napo. Baeza-Tena rd., Cosanga. |