| Name | Delphinium bicolor f. montanense Rydberg |
| Authorship | Rydberg |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Delphinium bicolor Nuttall |
| Citation | 1900 Mem. New York Bot. Gard. 1: 157 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Delphinium bicolor f. montanense Rydberg |
| Identification made in | [no date] (1) |