| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Combretum gracile Schott var. gracile | R. de Lemos Fróes 1914 with B. A. Krukoff, 15 Sep 1932 | Brazil. Maranhão. Maracassumé River Region. | 00997703 |  | |
| Combretum gracile Schott var. gracile | W. W. Thomas 4958 7 Jun 1986 | Brazil. Rondônia. Porto Velho Mun. Represa Samuel: southern end of E dike near quarry by road, ca 02 Km S end of main dike. | 02158094 |  | |
| Combretum gracile Schott var. gracile | W. W. Thomas 5121 15 Jun 1986 | Brazil. Rondônia. Porto Velho Mun. Represa Samuel. Forest along Pr-3 road, ca. 10 km SE of dam. | 02158096 |  | |
| Combretum gracile Schott var. gracile | W. W. Thomas 5014 9 Jun 1986 | Brazil. Rondônia. Porto Velho Mun. Represa Samuel: road leading to quarry west of dike road before southern hills. | 02158095 |  |