Rhododendron 'Carita Inchmery'
19587086 Cultivated material
Rhododendron 'Inamorata'
19577113 Cultivated material
Rhododendron 'Irene Koster'
19720669 Cultivated material
20000779 Cultivated material
Rhododendron 'Iwato-kagami'
19880708 Cultivated material
Rhododendron 'Strawberry Ice'
19830844 Cultivated material
Rhododendron alutaceum var. iodes (Balf.f. & Forrest) D.F.Chamb.
19331021 Wild collected in China
19614574 Cultivated from material wild collected in China
19795237 Cultivated material
19950979 Wild collected in China
Rhododendron arboreum × irroratum subsp. delavayi (Franchet) D.F.Chamb.
19952875 Wild collected in China
Rhododendron caliginis × vitis-idaea Kores
19902941 Wild collected in Papua New Guinea
Rhododendron formosum var. inaequale C.B.Clarke
19120085 Cultivated material
19730900 Wild collected in India
19803103 Wild collected in India
20141083 Cultivated from material wild collected in India
20141085 Cultivated from material wild collected in India
Rhododendron impeditum Balf.f. & W.W.Sm.
19220017 Wild collected in China
19331036 Wild collected in China
19331058 Wild collected in China
19699531 Cultivated material
19712309 Cultivated from material wild collected in China
19712442 Wild collected in China
19718240 Cultivated material
20041659 Cultivated material
20141421 Cultivated from material wild collected in China