Synonyms
Hydrangea rotundifolia C.F.Wei
Hydrangea robusta var. griffithii C.B.Clarke
Hydrangea longialata C.F.Wei
Hydrangea cyanema Nutt.
Hydrangea aspera var. robusta (Hook.f. & Thomson) E.M.McClint.
Hydrangea maximowiczii H.Lév.
Hydrangea aspera subsp. robusta (Hook.f. & Thomson) E.M.McClint.
Hydrangea rosthornii Diels