Hygrophila costata
Acanthaceae
| Collection Number | Croat, T 94941 |
| Collectors | Thomas B. Croat, Christopher Davidson, Sharon Christoph |
| Identified By | L. A. McDade (RSA), 2016 |
| Source | C. Davidson |
| Date | 19 February 2005 |
| Country | Ecuador |
| province | Carchi |
| Location | Along road from El Chical to Tulcán, 7.4 km E of El Chical. 1393 m elev. |
| Lat/Long | N 00 55 50 W 078 07 52 |
| Note | Less than 1 m tall; flowers white in axillary verticils. |