⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-25800621, with some changes.
This name is a synonym of Polemonium confertum var. eximium (Greene) Jeps..
The record derives from Tropicos which reports it as a synonym (record 25800621) with original publication details: Pittonia 3(18D): 305 305 1898.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:205020-2.