Rhododendron × williamsii hort. ex Mottet
, Dict. Prat. Hort. 4: 495.
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:77191949-1
- Publication
- Dictionnaire Pratique d'Horticulture
- Collation
- 4: 495
- Date of Publication
- 1896-1897
- Family as entered in IPNI
- Ericaceae
Remarks
'hybride d'une espèce de Rhododendron et d'Azalea indica'.