| Collector | Madsen, J. E. |
| Number | 36822 |
| Collected with | |
| Country | Ecuador |
| Subpart | LOJA |
| County | |
| Locality | Catamayo, 2 km on the road to El Tambo. A very thorny scrub, where cacti are the most dominating plants. |
| Coordinates | 4° 0' S 79° 23' W |
| Minimum elevation (m) | 1200 |
| Maximum elevation (m) | 1200 |
| Start date | 1981/11/27 |
| End date | 1981/11/27 |
| Family | Cactaceae |
| Identification | Praecereus euchlorus subsp. diffusus (Britton & Rose)Taylor |
| Determined by | Madsen, J. E. (AAU), 2002. |
| Identification qualifier | |
| Field notes | The plant grows open and was therefore smaller and more climbing than usually. Joints only few cm in diameter. Fruit pear-shaped. |