Place
- Rio Negro3
- Atabapo2
- Basin of Rio Madeira - near Tres Casas2
- Bongará2
- Cerros Calla Calla, east side, 18 km. above Leimebamba on the road to Balsas.2
- Contact UM Herbarium2
- Entre las Comunidades de Culebra y Huachamacari, entre el Cerro Duida y Huachamacari, selva alta bordeando al río2
- Manaos2
- Reserva Florestal Ducke, Manaus-Itacoatiara, km 262
- Rio Cunucunuma2
- Rio Juruá 5-10 km above mouth2
- Rio Negro & Uaupas2
- Rio Negro, between Barra & Barcellos2
- Rio Solimões basin, near Palmares2
- Roraima2
- San Carlos2
- Along margin of Rio Cauaburí, between Maturacá and Rio Yá1
- Alto Río Orinoco1
- Atures1
- Basin of Rio Jurua - near mouth of Rio Embira (trib. of Rio Tarauaca)1