Azaleas, Labrador Teas and Rhododendrons West of the Cascade Mountains of Oregon and Washington

The Genus Rhododendron

White Rhododendron, Cascade Azalea: Rhododendron albiflorum (Synonyms: Azaleastrum albiflorum, Rhododendron albiflorum var. warrenii) -

Coastal Labrador Tea, Western Labrador Tea: Rhododendron columbianum(Synonyms: Ledum columbianum, Ledum glandulosum, Ledum glandulosum ssp. australe, Ledum glandulosum ssp. columbianum, Ledum glandulosum ssp. olivaceum, Ledum glandulosum var. californicum, Ledum glandulosum var. columbianum, Ledum glandulosum var. glandulosum, Ledum xcolumbianum, Rhododendron neoglandulosum) -

Labrador Tea: Rhododendron groenlandicum (Synonym: Ledum groenlandicum) -

Pacific Rhododendron, Western Rhododendron, California Rhododendron: Rhododendron macrophyllum (Synonym: Rhododendron californicum) -

Western Azalea: Rhododendron occidentale (Synonyms: Rhododendron occidentale var. occidentale, Rhododendron occidentale var. paludosum) -