Rhododendron luteum Rhododendron eastmanii Rhododendron arborescens Rhododendron × bakeri Rhododendron canescens Rhododendron flammeum Rhododendron prinophyllum Rhododendron cumberlandense Rhododendron colemanii Rhododendron alabamense Rhododendron atlanticum Rhododendron austrinum Rhododendron calendulaceum Rhododendron occidentale Rhododendron periclymenoides Rhododendron prunifolium Rhododendron viscosum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024