| Collector | Irwin, H.S. |
| Number | 12935 |
| Collected with | J.W. Grear, R. Souza & R.R. Santos |
| Country | Brazil |
| Subpart | Goias |
| County | |
| Locality | Chapada dos Veadeiros, Goias. Granitic mountain, ca. 20 km W. of Veadeiros, Goias. |
| Coordinates | 14° ' S 47° ' W |
| Minimum elevation (m) | 1000 |
| Maximum elevation (m) | 1000 |
| Start date | 1966/02/16 |
| End date | 1966/02/16 |
| Family | Cyperaceae |
| Identification | Rhynchospora dissitispicula T. Koyama |
| Determined by | |
| Identification qualifier | |
| Field notes | Caespitose, the culms to ca. 2 m. tall. Creek margin. |
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