| Polemonium brandegei (A. Gray) E. Greene | Polemonium foliosissimum A.Gray var flavum (Greene) Anway |
| Polemonium caeruleum L. | Polemonium ophiocarpa |
| Polemonium caeruleum L. 'Album' | Polemonium pauciflorum S. Wats. |
| Polemonium carneum A. Gray. | Polemonium pulcherrinum Hook. var pulcherrinum |
| Polemonium chartaceum Mason. | Polemonium reptans L. |
| Polemonium delicatum Rydberg | Polemonium viscosum Nutt. |
| Polemonium flavum E. Greene | Polemonium yezoense (Miyabe & Kudo) Kitam. |
