Synonyms
Polemonium foliosissimum var. foliosissimum A.Gray
Polemonium foliosissimum subsp. verum Wherry
Polemonium molle Greene
Polemonium foliosissimum subsp. archibaldiae (A.Nelson) Wherry
Polemonium archibaldiae A.Nelson
Polemonium filicinum var. archibaldiae (A.Nelson) Brand
Polemonium robustum Rydb.
Polemonium pterospermum A.Nelson & Cockerell
Polemonium foliosissimum f. molle (Greene) Wherry
Polemonium foliosissimum var. molle (Greene) Anway
Polemonium foliosissimum subsp. robustum (Rydb.) Brand