As classified in WFO snapshot
June 2024
Warning: older classification
variety
Rhododendron longiflorum var. heusseri
J.J.Sm.
This variety name was first published in Bull. Jard. Bot. Buitenzorg , sér. 3, 13: 447 (1935)
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .