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R. lapponicum 
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|  subgenus Rhododendron    section Rhododendron    subsection Lapponica 
    Rhododendron amundsenianum    Rhododendron bulu    Rhododendron burjaticum    Rhododendron capitatum    Rhododendron complexum    Rhododendron cuneatum    Rhododendron dasypetalum    Rhododendron dawuense    Rhododendron declivatum    Rhododendron edgarianum    Rhododendron fastigiatum    Rhododendron flavidum var. flavidum    Rhododendron flavidum var. psilostylum    Rhododendron hippophaeoides var. hippophaeoides    Rhododendron hippophaeoides var. occidentale    Rhododendron impeditum    Rhododendron intricatum    Rhododendron joniense    Rhododendron labolengense    Rhododendron lapponicum    Rhododendron lungchiense    Rhododendron lysolepis    Rhododendron maowenense    Rhododendron minyaense    Rhododendron nitidulum var. nitidulum    Rhododendron nitidulum var. omeiense    Rhododendron nivale ssp. australe    Rhododendron nivale ssp. boreale    Rhododendron nivale ssp. nivale    Rhododendron orthocladum var. longistylum    Rhododendron orthocladum var. microleucum    Rhododendron orthocladum var. orthocladum    Rhododendron polycladum    Rhododendron qinghaiense    Rhododendron rupicola var. chryseum    Rhododendron rupicola var. muliense    Rhododendron rupicola var. rupicola    Rhododendron russatum    Rhododendron setosum    Rhododendron taibaiense    Rhododendron tapetiforme    Rhododendron telmateium    Rhododendron thymiflolium    Rhododendron tsaii    Rhododendron verrucolosum    Rhododendron websterianum var. websterianum    Rhododendron websterianum var. yulongense    Rhododendron xiguense    Rhododendron yulingense    Rhododendron yungningense    Rhododendron zheguense SEE THE WHOLE 1998 CLASSIFICATION
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