| Collector | Balslev, H. |
| Number | 989A |
| Collected with | |
| Country | Ecuador |
| Subpart | CHIMBORAZO |
| County | |
| Locality | Northern slope of Volcán Chimborazo at Ambato - Guaranda road. Very dry páramo in transition to desert. |
| Coordinates | 1° 17' S 78° 50' W |
| Minimum elevation (m) | 3900 |
| Maximum elevation (m) | 3900 |
| Start date | 1980/11/27 |
| End date | 1980/11/27 |
| Family | Bryophyta |
| Identification | Pseudocrossidium excavatum (Mitt.)R.S.Williams |
| Determined by | |
| Identification qualifier | |
| Field notes | [cited in S. P. Churchill, 1990. Pseudocrossidium steerei (Pottiaceae), a New Species from Ecuador. The Bryologist 93(3): 353-356.] |