[The Heath Family in the Cascade Mountains of Oregon and Washington]

Labrador Tea of the Cascade Mountains of Oregon and Washington

The Genus Rhododendron (formerly the Genus Ledum)

Coastal Labrador Tea, Western Labrador Tea: Rhododendron columbianum (Synonyms: 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, Rhododendron neoglandulosum)

Mountain Labrador Tea: Rhododendron columbianum

Mountain Labrador Tea, Smooth Labrador Tea, Trapper's Tea, Western Labrador Tea: Rhododendron columbianum (Synonyms: 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, Rhododendron neoglandulosum) -

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