| Stenospermation | M. M. Mora 809 | Ecuador. Esmeraldas. San Lorenzo (Canton). Hwy Ibarra-San Lorenzo. Remnant patch of forest surrounded by cow pasture and African palm plantations, near Rio Piguanvi, ca 5 km west of Lita. | | 3107283 |  |
| Stenospermation maguirei A.M.E.Jonker & Jonker | K. M. Redden 4056 | Guyana. Amatuk Falls on left bank of Potaro near village. | | 3803715 |  |
| Stenospermation ammiticum G.S.Bunting | B. Maguire 43893 | Guyana. along trail between Partang Rapids and 1st falls of Partang River. | | 3803650 |  |
| Stenospermation ammiticum G.S.Bunting | S. S. Tillett 45577 | Guyana. Upper Mazaruni River Basin. E arm of Karowtipu; Kako River. | | 3803662 |  |
| Stenospermation spruceanum Schott | S. S. Tillett 43915 | Guyana. Upper Mazaruni River Basin. "Camp No. 1" Partang R. 2nd Falls, ca. 12 mi from Inbarimadai. Partang River, Merume Mountains. | | 3803741 |  |
| Stenospermation ammiticum G.S.Bunting | S. S. Tillett 43915 | Guyana. Upper Mazaruni River Gasin. On boulders near 2nd falls of Partang River, about 12 above mouth. Partang River, Merume' Mountains. | | 3803661 |  |
| Stenospermation ammiticum G.S.Bunting | T. D. McDowell 4034 | Guyana. Cuyuni-Mazaruni. Along Perenong River, in forest on floodplain. | | 3803645 |  |
| Stenospermation maguirei A.M.E.Jonker & Jonker | B. Hoffman 2397 | Guyana. Cuyuni-Mazaruni. Pakaraima Mtns, Kurupung R; Imatta Creek near Kurupung Landing. | | 3803713 |  |
| Stenospermation ammiticum G.S.Bunting | K. M. Redden 2880 | Guyana. Cuyuni-Mazaruni. Pakaraima Mts., Mazaruni River, just above ABC Falls. Trail/track 2.03 miles SW of Base Camp 6 heading E. | | 03803601 |  |
| Stenospermation ammiticum G.S.Bunting | T. W. Henkel 4647 | Guyana. Upper Takutu-Upper Essequibo. Acarai Mts; Watuwau Creek, 6-10 km upstream of juncture with Chodikar River. | | 03803644 |  |
| Stenospermation maguirei A.M.E.Jonker & Jonker | H. D. Clarke 9201 | Guyana. Potaro-Siparuni. Mt. Ayanganna, east face, camp at base of second of four escarpment. | | 03803710 |  |
| Stenospermation andreanum Engl. | J. C. Solomon 7510 | Bolivia. La Paz. Valley of the Rio Zongo, ½ - ¾ of hour by trail down river from the Hydroelectric Plant at Cahua. | | 3803675 |  |
| Stenospermation amomifolium (Poepp.) Schott | J. L. Luteyn 8988 | Ecuador. Orellana. [Napo] Añangu. Parq. Nac. Yasuni. Along Rio Anangu (black water) near jct with Rio Napo. | | 3803668 |  |
| Stenospermation steyermarkii G.S.Bunting | B. M. Boom 10871 | French Guiana. Saint-Laurent-du-Maroni. Saül Comm. Mont Galbao, SE peak. | | 3803724 |  |
| Stenospermation steyermarkii G.S.Bunting | R. C. Ek nr433 | French Guiana. Saint-Laurent-du-Maroni. Saül Comm. 2 km SW of Saül, track Limonade. | | 03803720 |  |
| Stenospermation robustum Engl. | E. P. Killip 5109 | Colombia. Córdoba. | | 03803734 |  |
| Stenospermation andreanum Engl. | E. P. Killip 7811 | Colombia. Cauca. near Rio San Joaquin. | | 3803676 |  |
| Stenospermation maximum Engl. | T. B. Croat 69630 | Colombia. Nariño. La Planada, 7 km above Chucunes on road between Tuquerres and Ricaurate. | | 03803718 |  |
| Stenospermation laevis Croat | T. B. Croat 69638 | Colombia. Nariño. La Planada, 7 km above Chucunes on road between Tuquerres and Ricaurte. Along trail to summit of hill behind Centro de Cientificos. | | 03803704 |  |
| Stenospermation punctatum Castaño Rubiano & Croat | J. L. Luteyn 11906 | Colombia. Antioquia. Yarumal Mun. Alto de Ventanas, along rd. to El Cedro, to ca. 6 km. from its junction with Yarumal-Pto. Valdivia Hwy. | | 03803733 |  |
| Stenospermation angustifolium Hemsl. | R. E. Schultes 18673 | Colombia. Antioquia. Mutatá Mun. Urabá, Villa Arteaga. | | 3803686 |  |
| Stenospermation | R. Callejas Posada 4310 | Colombia. Antioquia. San Luis Mun. Vereda Manizales, 12 Kms. de San Luis en la via San Luis - San Carlos, bosques a lo largo del rio Domilón. | | 3805335 |  |
| Stenospermation archeri K.Krause | A. E. Lawrance 147 | Colombia. Boyacá. Alto Chapon. Region of Mt. Chapon, extreme western part of Dept. Boyaca, north-west of Bogota. | | 03803697 |  |
| Stenospermation gentryi Croat | T. B. Croat 71173 | Colombia. Nariño. Ricaurte Mun. Reserva Natural La Planada: 7 km above Chucunés on road between Tuquerres and Ricaurte; primary forest and margins of old pasture along Sendero La Vieja. | | 02681675 |  |
| Stenospermation andreanum Engl. | T. B. Croat 70329 | Colombia. Valle del Cauca. Buenaventura Mun. Region of Bajo Calima; along road between Buenaventura and Malaga, at km 50.5. | | 03803672 |  |
| Stenospermation andreanum Engl. | J. Espina 1969 | Colombia. Chocó. Municipio de Pizarro, km 34-26 de la carretera Pie de Pepé - Berrecul. | | 3803673 |  |
| Stenospermation angustifolium Hemsl. | W. S. Alverson 404 | Colombia. Antioquia. Along roadway between Providencia and Q. La Tirana along river. Vic. Planta Providencia 28 kms SW of Zaragoza. Valley of Río Anorí in areas surrounding the confluence of Quebrada La Tirana and Río Anorí, approx. 3 km upriver from Planta Providencia. | | 3803689 |  |
| Stenospermation spruceanum Schott | G. Klug 516 | Peru. Loreto. Mishuyacu, near Iquitos. | | 3803742 |  |
| Stenospermation amomifolium (Poepp.) Schott | D. R. Simpson 745 | Peru. Loreto. Maynas Prov. Dtto. Alto Nanay. Along the trail between Santa Maria de Nanay and Santa Rosa. | | 3803669 |  |
| Stenospermation amomifolium (Poepp.) Schott | R. Vásquez Martínez 10606 | Peru. Loreto. Maynas Prov. Maniti, Recreo. | | 3803667 |  |
| Stenospermation spruceanum Schott | D. R. Simpson 745 | Peru. Loreto. Maynas Prov. In a chacra, among the grass beneath a bush, Along the trail between Santa Maria de Nanay and Santa Rosa. | | 3803745 |  |
| Stenospermation amomifolium (Poepp.) Schott | M. Rimachi Y. 7455 | Peru. Loreto. Maynas Prov. Iquitos. Carretera de Iquitos a Nauta, en el km 6 de Quisto Cocha al caserio de Varillal, en terreno alto y arenoso. | | 3803666 |  |
| Stenospermation amomifolium (Poepp.) Schott | S. Barrier 1026 | Peru. Loreto. Maynas Prov. rio Zumun, affluent du rio Yahuas-Yacu, affluent du rio Ampi-Yacu affluent de I'Amazone à Pebas - commune de Colonia territoire des indiens Bora. | | 3803664 |  |
| Stenospermation amomifolium (Poepp.) Schott | S. Barrier 1107A | Peru. Loreto. Maynas Prov. rio Zumun, affluent du rio Rahuas - Yacu, affluent du rio Ampi - Yacu affluent de I'Amazone â Pebas - commune de Colonia territorie des indiens Bora. | | 3803671 |  |
| Stenospermation zeacarpium Madison | R. Vásquez 26205 | Peru. Cajamarca. San Ignacio Prov. San Jose de Lourdes. Selva Andina. | | 04022732 |  |
| Stenospermation weberbaueri Engl. | D. N. Smith 3734 | Peru. Pasco. Oxapampa Prov. Palcazu valley, Cabeza de Mono, 5-6 km west of Iscosacin. | | 3803765 |  |
| Stenospermation amomifolium (Poepp.) Schott | R. Rojas 8758 | Peru. Pasco. Oxapampa Prov. Dist. Palcazu. Comunidad Nativa Alto Lagarto - Reserva Comunal Yanesha. | | 02642094 |  |
| Stenospermation angustifolium Hemsl. | J. Lingán 634 | Peru. Pasco. Oxapampa Prov. Distrito Villa Rica. Sector Union-Shimaki. | | 03152178 |  |
| Stenospermation spruceanum Schott | E. P. Killip 24958 | Peru. Junín. Colonia Perene. | | 3803746 |  |
| Stenospermation flavescens Engl. | E. P. Killip 25537 | Peru. Junín. Pichis Trail, Yapas. | | 03803701 |  |