⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2667254, with some changes.
This name is a synonym of Rhododendron molle subsp. japonicum (A.Gray) Kron.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bot. Cab. 9: t. 885 1824.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:326943-1.