Synonyms
Polemonium intermedium (Brand) Rydb.
Polemonium caeruleum var. pterospermum Benth.
Polemonium occidentale subsp. amygdalinum Wherry
Polemonium caeruleum subsp. amygdalinum (Wherry) Munz
Polemonium occidentale var. intermedium Brand
Polemonium helleri Brand
Polemonium caeruleum var. foliosissimum A.Gray