Abundance: 0.14 to 26.49% (median 0.66%)

Latitudinal range: 25.5° to 35.9°

Habitats: temperate broadleaf/mixed forest (8), tropical/subtropical moist broadleaf forest (2)

Found in 10 samples

China: Mt. Shennongjia

India: Ialong, Binsar Wildlife Sanctuary

Japan: University Forest, Chichibu Mountains, River Segire (canopy-closed stands), River Segire (gaps)

Nepal: Amaldapani, Juphal

United States: Highlands

See also Rhododendron arboreum, Rhododendron calendulacea, Rhododendron concinnum, Rhododendron dilatanum, Rhododendron hypoglaucum, Rhododendron maximum, Rhododendron simsii, Rhododendron tashiroi, Rhododendron wadanum