Rhododendron latifolium Rhododendron angustifolium Rhododendron glabratum Rhododendron germanicum Rhododendron intermedium Azalea hirsuta Chamaerhododendron hirsutum Rhododendron hirsutum var. variegatum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024