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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.

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


Peter A. Cox and Kenneth N.E. Cox, The Encyclopedia of Rhododendron Species, Glendoick Publishing, 1997
Tree script by Alex Kelleher. (  Modified by Bob Weissman.

American Rhododendron Society
Executive Director: P.O. Box 525,  Niagara Falls, NY 14304
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