| Collector | Terneus, E. |
| Number | 511 |
| Collected with | |
| Country | Ecuador |
| Subpart | CHIMBORAZO |
| County | |
| Locality | Parque Nacional Sangay, Páramo del Altar, al pie de la laguna Negra |
| Coordinates | 1° 43' S 78° 27' W |
| Minimum elevation (m) | 4000 |
| Maximum elevation (m) | 4000 |
| Start date | 2000/09/02 |
| End date | 2000/09/02 |
| Family | Callitrichaceae |
| Identification | Callitriche truncata Guss. |
| Determined by | |
| Identification qualifier | |
| Field notes | Macrófita enraizada flotante, creciendo al borde de riachue lo, en ambientes lóticos y sustrato rico en hierro. Hojas grandes y gruesas. |