As classified in WFO snapshot
December 2023
Warning: older classification
form
Polemonium pulcherrimum f. parvifolium
(Nutt. ex Rydb.) Wherry
This form name was first published in Amer. Midl. Naturalist 27: 751 (1942)
This form name has been reclassified since this snapshot. Its current preferred usage is a synonym .