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Rhododendron malayanum is accepted species in  the family Ericaceae  subfamily: Ericoideae, tribe: Rhodoreae,  
Genus Rhododendron 
This species is found in Borneo, Jawa, Malaya, Maluku, Sulawesi, Sumatera, Thailand.
Rhododendron malayanum Dick Culbert
Rhododendron malayanum Pascal Bruggeman
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