Rhododendron dilatatum f. leucanthum Sugim. form heterotypic synonym

Rhododendron dilatatum var. nippoense Minamit. variety accepted

Rhododendron dilatatum subsp. dilatatum subspecies accepted

Rhododendron dilatatum f. niveum Minamit. form synonym

Rhododendron dilatatum var. ookuemontanum Minamit. variety accepted

Rhododendron dilatatum var. occidentalitosaense Minamit. variety accepted

Rhododendron dilatatum subsp. satsumense (T.Yamaz.) Minamit. subspecies accepted

Rhododendron dilatatum subsp. arborescens Minamit. subspecies accepted

Rhododendron dilatatum f. decandrum (Makino) Minamit. form synonym

Rhododendron decandrum var. pilosum H.Hara variety synonym

Rhododendron dilatatum f. pilosum (H.Hara) Minamit. form synonym

Rhododendron dilatatum f. inobeanum (Honda) Minamit. form synonym

Azalea dilatata (Miq.) Kuntze species synonym

Rhododendron dilatatum subsp. decandrum (Makino) X.F.Jin & B.Y.Ding subspecies synonym

Rhododendron dilatatum var. boreale Sugim. variety accepted

Rhododendron dilatatum f. albiflorum (Honda) Hatus. form synonym

Rhododendron dilatatum f. lasiocarpum (H.Hara) T.Yamaz. form synonym

Rhododendron dilatatum var. decandrum Makino variety accepted

Rhododendron dilatatum var. dilatatum variety accepted

Rhododendron inobeanum Honda species synonym

Rhododendron hidakanum H.Hara species synonym

Rhododendron dilatatum var. satsumense T.Yamaz. variety synonym

Rhododendron dilatatum var. lasiocarpum (H.Hara) T.Yamaz. variety accepted

Rhododendron dilatatum f. hypopilosum Sh.Kurata form synonym

Rhododendron decandrum (Makino) Makino species synonym

Rhododendron decandrum f. lasiocarpum H.Hara form synonym

Rhododendron dilatatum f. ookuemontanum Minamit. form synonym