| Bikukulla canadensis (Goldie) Druce | Dicentra canadensis (Goldie) Walp. |
| Bikukulla cucullaria (L.) Millsp. | Dicentra cucullaria (L.) Bernh. |
| Bikukulla formosa (Andrews) Coville | Dicentra formosa (Andrews) Walp. |
| Bikukulla chrysantha (Hook. & Arn.) Coville | Ehrendorferia chrysantha (Hook. & Arn.) Rylander |
| Bikukulla pauciflora (S.Watson) Coville | Dicentra pauciflora S.Watson |