As classified in WFO snapshot
December 2023
Warning: older classification
subspecies
Phlox sibirica subsp. richardsonii
(Hook.) Hultén
This subspecies name was first published in Ark. Bot. , a.s., 7(1): 111 (1967 publ. 1968)
This subspecies name has been reclassified since this snapshot. Its current preferred usage is a synonym .