| Collector | Madsen, J. E. |
| Number | 61040 |
| Collected with | |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | Road La Libertad - Manglaralto, at cross-road Ayangue, km 0-1 toward Ayangue and km 0-3 toward La Libertad. Dry forest, dominated by Cordia and Pilosocereus. |
| Coordinates | 1° 59' S 80° 44' W |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 50 |
| Start date | 1985/10/10 |
| End date | 1985/10/13 |
| Family | Cactaceae |
| Identification | Praecereus euchlorus subsp. diffusus (Britton & Rose)Taylor |
| Determined by | Madsen, J. E. (AAU), 2002. |
| Identification qualifier | |
| Field notes | See enclosed note. |