Rhododendron lochiae F.Muell.
19510365 Cultivated material
19961298 Wild collected in Australia
19961303 Cultivated from material wild collected in Australia
Rhododendron longesquamatum C.K.Schneid.
19568466 Cultivated material
19698700 Cultivated material
19795182 Cultivated material
19795473 Cultivated material
19913266 Wild collected in China
20052644 Cultivated material
20230572 Cultivated material
Rhododendron longiflorum Lindl.
19801300 Wild collected in Malaysia
19801307 Wild collected in Malaysia
19801313 Wild collected in Malaysia
19821503 Wild collected in Malaysia
19821520 Wild collected in Malaysia
19821523 Wild collected in Malaysia
19933286 Wild collected in Indonesia
19973611 Cultivated material
20060462 Wild collected in Indonesia
Rhododendron longiflorum Lindl. var. longiflorum
19871302 Wild collected in Malaysia
Rhododendron longiflorum var. subcordatum (Becc.) Argent
19913772 Wild collected in Malaysia
Rhododendron longipes Rehder & E.H.Wilson
19960551 Wild collected in China
20221684 Cultivated from material wild collected in China
20240107 Cultivated from material wild collected in China
Rhododendron longistylum Rehder & E.H.Wilson
19772749 Cultivated from material wild collected in China
Rhododendron loranthiflorum Sleumer subsp. loranthiflorum 'Dick Shaw'
19830533 Cultivated from material wild collected in Papua New Guinea
Rhododendron lowii Hook.f.
19801151 Wild collected in Malaysia
19820912 Wild collected in Malaysia
19952343 Wild collected in Malaysia
19952344 Wild collected in Malaysia
19952800 Wild collected in Malaysia
Rhododendron lowii × brookeanum Hook.f.
20020273 Cultivated material
20020277 Cultivated material
20020278 Cultivated material