| Name | Utricularia nigrescens Sylven |
| Authorship | Sylven |
| Rank | Species |
| Placed in | Utricularia |
| Citation | 1908. Ark. Bot. 8: 21. |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Utricularia nigrescens Sylven |
| Identification made in | 1968 (1) |
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