| Verbatim Directions to Locality: | 6.5 mi (10.5 km) W of DeSoto; west slope of hill ("Mt. Kathryn") ca. 0.7 mi (1 km) ENE of confluence of Mammoth Creek with Big River. |
| Altitude (in meters): | 210 |
| Latitude - degree: | 38 |
| Latitude - minutes: | 7 |
| Latitude - seconds: | 30 |
| Latitude Direction Flag: | N |
| Longitude - degree: | 90 |
| Longitude - minutes: | 40 |
| Longitude - seconds: | 30 |
| Longitude Direction Flag: | W |
| Township: | 39N |
| Range: | 3E |
| Section: | 11 |
| Habitat: | Wooded slopes on dolomite |
| Plant Morphology Observations: | Shrubs 3-6 meters tall, branches spreading near horizontally. Petals white; hypyanthium green; filaments white, the anthers creamy, brown after dehiscence; sepals white-bordered. |
| Non digital information?: | N |
