| Collector | Madsen, J. E. |
| Number | 50107 |
| Collected with | |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | Road Salinas - Manglaralto, at crossroad Ayangue. Dry forest dominated by Pilosocereus tweedyanus. |
| Coordinates | 1° 59' S 80° 44' W |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 50 |
| Start date | 1984/01/27 |
| End date | 1984/01/27 |
| Family | Amaranthaceae |
| Identification | Alternanthera albotomentosa Suessenguth |
| Determined by | U. Eliasson, 1989 |
| Identification qualifier | |
| Field notes | Creeping herb, covering the ground. Flower white. |