| Name | Calystegia silvatica subsp. disjuncta Brummitt |
| Authorship | Brummitt |
| Rank | Subspecies |
| Placed in | Calystegia silvatica (Kitaibel) Grisebach |
| Citation | 1996 Lagascalia 18(2): 339 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Calystegia silvatica subsp. disjuncta Brummitt |
| Identification made in | [no date] (2) |