American Rhododendron Society Web Site ARS
navigation menu background

Genus Rhododendron Taxonomic Tree


Click to expand the tree and to collapse the tree.  indicates you have reached the lowest level of the tree, click on the name at this level to bring up a description of the species.

Genus Rhododendron
subgenus Azaleastrum
subgenus Candidastrum
subgenus Hymenanthes
subgenus Mumeazalea
subgenus Pentanthera
subgenus Rhododendron
subgenus Therorhodion
subgenus Tsutsusi


Information Source:
Peter A. Cox and Kenneth N.E. Cox, The Encyclopedia of Rhododendron Species, Glendoick Publishing, 1997


American Rhododendron Society
Executive Director: P.O. Box 525, Niagara Falls, NY 14304
Ph: 416-424-1942   Fax: 905-262-1999   E-Mail: lauragrant@arsoffice.org
1998-2016, ARS, All rights reserved.