Marts 2023
Rhododendron zaleucum Balf.f. & W.W.Sm.
Rhododendron zekoense Y.D .Sun & Z.J.Zhao
Rhododendron zeylanicum hort. ex Loudon
Rhododendron zhangjiajieense
Rhododendron zheguense Ching & H.P.Yang
Rhododendron ziyuanense P.C .Tam