| Name | Utricularia vulgaris subsp. macrorhiza (LeConte ex Torrey) R. T. Clausen |
| Authorship | (LeConte ex Torrey) R. T. Clausen |
| Rank | Subspecies |
| Placed in | Utricularia vulgaris Linnaeus |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Utricularia vulgaris subsp. macrorhiza (LeConte ex Torrey) R. T. Clausen |
| Identification made in | [no date] (5), 2013 (4), 2017 (2), 2021 (1) |