Western Labrador tea

''Rhododendron columbianum'', commonly known as western Labrador tea, is a shrub that is widespread in the western United States and in western Canada, reported from British Columbia, Alberta, Washington, Oregon, Idaho, California, Montana, Wyoming, Utah, Nevada, and Colorado. It grows in wet places from sea level up to 3500 m . It was formerly known as ''Ledum columbianum''.