| Name | Trifolium hydrophilum Greene |
| Authorship | Greene |
| Rank | Species |
| Placed in | Trifolium Linnaeus |
| Citation | 1894 Man. Bot. San Francisco 100 |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Trifolium hydrophilum Greene |
| Identification made in | [no date] (1), 2020 (11) |