| Name | Lasallea sericea subsp. pratensis (Rafinesque) Semple & Brouillet |
| Authorship | (Rafinesque) Semple & Brouillet |
| Rank | Subspecies |
| Placed in | Lasallea sericea (Ventenat) Greene |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Lasallea sericea subsp. pratensis (Rafinesque) Semple & Brouillet |
| Identification made in | 1980 (5) |