You selected Rhododendron canescens var. canescens (Michx.) Sweet. This is a synonym for:

Accepted scientific name:
Rhododendron canescens (Michx.) Sweet (accepted name) 3 literature references for Rhododendron canescens (Michx.) Sweet
Synonyms:
Azalea candida Small (synonym) 2 literature references for Azalea candida Small
Azalea canescens Michx. (synonym) 2 literature references for Azalea canescens Michx.
Azalea canescens var. subglabra (Rehd.) Small (synonym) 2 literature references for Azalea canescens var. subglabra (Rehd.) Small
Rhododendron candidum (Small) Rehd. (synonym) 2 literature references for Rhododendron candidum (Small) Rehd.
Rhododendron canescens var. candidum (Small) Rehd. (synonym) 2 literature references for Rhododendron canescens var. candidum (Small) Rehd.
Rhododendron canescens var. canescens (Michx.) Sweet (synonym) 1 literature reference for Rhododendron canescens var. canescens (Michx.) Sweet
Rhododendron canescens var. subglabrum Rehd. (synonym) 2 literature references for Rhododendron canescens var. subglabrum Rehd.
Infraspecific taxon: Rhododendron canescens (Michx.) Sweet
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Ericales
Family Ericaceae
Genus Rhododendron
Distribution: North America
Additional data: -
Source database: ITIS, Sep 2009
Latest taxonomic scrutiny: Kartesz J., 10-Apr-2007
Online resource: http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=23712
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:24889f10-60a7-102d-be47-00304854f810:ac2010