As classified in WFO snapshot
June 2024
Warning: older classification
variety
Polemonium boreale var. macranthum
(Cham.) Tzvelev
This variety name was first published in Sosud. Rast. Sovet. Dal'nego Vostoka 7: 291 (1995)
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .