Rhododendron maximum var. leachii B.E.Harkn. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Ericales family Ericaceae genus Rhododendron species Rhododendron maximum Name Homonyms Rhododendron maximum var. leachii B.E.Harkn. ex D.H.Voss Rhododendron maximum var. leachii B.E.Harkn.