龙江朱砂杜鹃Rhododendron cinnabarinum subsp. tamaense

克里斯蒂娜杜鹃Rhododendron christianae

雅容杜鹃Rhododendron charitopes

藏布杜鹃Rhododendron charitopes subsp. tsangpoense

云雾杜鹃Rhododendron chamaethomsonii

瓣萼杜鹃Rhododendron catacosmum

加拿大杜鹃Rhododendron canadense

堪察加杜鹃Rhododendron camtschaticum

弯柱杜鹃Rhododendron campylogynum

弯果杜鹃Rhododendron campylocarpum

美被杜鹃Rhododendron calostrotum subsp. riparium

独龙杜鹃Rhododendron calostrotum subsp. keleticum

卵叶杜鹃Rhododendron callimorphum

暗红杜鹃Rhododendron caliginis

刺枝杜鹃Rhododendron beanianum

白毛粉钟杜鹃Rhododendron balfourianum var. aganniphoides

耳叶杜鹃Rhododendron auriculatum

毛肋杜鹃Rhododendron augustinii

张口杜鹃Rhododendron augustinii subsp. chasmanthum

大西洋杜鹃Rhododendron atlanticum