| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Utricularia tenuissima Tutin | T. G. Tutin 644 28 Aug 1933 | Guyana. British Homduras: Kaieteur Savannah. | isotype | 312440 |  |
| Utricularia tenuissima Tutin | C. Sarthou 308 01 Jun 1988 | French Guiana. Montagne des Nouragues, Bassin de l'Approuague. | |||
| Utricularia tenuissima Tutin | B. Maguire 46088A | Guyana. Southern Pakaraima Mountains, Kopinang Savanna on Waipa Trail. | 03857882 |  | |
| Utricularia tenuissima Tutin | B. Maguire 41449 | Colombia. Cacagual savanna, Rio Atabapo between San Fernando de Atabapo and Cano Temi. | 03857884 |  | |
| Utricularia tenuissima Tutin | B. Maguire 44120 | Colombia. Amazonas. Araracuara. Río Caquetá. | 03857883 |  | |
| Utricularia tenuissima Tutin | G. T. Prance 29154 with I. L. do Amaral, J. J. Pipoly, A. S. Tavares, M. G. da Silva, C. D. A. da Mota & A. Cress, 18 Feb 1984 | Brazil. Amazonas. Barcelos Mun. Plateau of northern massif of Serra Araca. North part of Northern mountain near peak. | 01173305 |  | |
| Utricularia tenuissima Tutin | J. M. Pires 6162 | Brazil. Pará. | 01173304 |  |