Hydrangea acuminata Siebold & Zucc. species accepted

Hydrangea albostellata Samain, Najarro & E. Martínez species accepted

Hydrangea alternifolia Siebold species accepted

Hydrangea amamiohsimensis (Koidz.) Y. De Smet & C. Granados species accepted

Hydrangea ampla (Chun) Y. De Smet & C. Granados species accepted

Hydrangea anomala D. Don species accepted

Hydrangea arborescens L. species accepted

Hydrangea arguta (Gaudich.) Y. De Smet & C. Granados species accepted

Hydrangea asterolasia Diels species accepted

Hydrangea barbara (L.) Bernd Schulz species accepted

Hydrangea diplostemona (Donn. Sm.) Standl. species accepted

Hydrangea fauriei (Hayata) Y. De Smet & C. Granados species accepted

Hydrangea febrifuga (Lour.) Y. De Smet & C. Granados species accepted

Hydrangea glaucescens (Rehder) Y. De Smet & C. Granados species accepted

Hydrangea gracilis W. T. Wang & M. X. Nie species accepted

Hydrangea heteromalla D. Don species accepted

Hydrangea hirsuta (Gagnep.) Y. De Smet & C. Granados species accepted

Hydrangea hirta (Thunb.) Siebold species accepted

Hydrangea hydrangeoides (Siebold & Zucc.) Bernd Schulz species accepted

Hydrangea hypoglauca Rehder species accepted

Hydrangea integrifolia Hayata species accepted

Hydrangea involucrata Siebold species accepted

Hydrangea jelskii Szyszyl. species accepted

Hydrangea kawagoeana Koidz. species accepted

Hydrangea kwangsiensis Hu species accepted

Hydrangea kwangtungensis Merr. species accepted

Hydrangea lingii G. Hoo species accepted

Hydrangea liukiuensis Nakai species accepted

Hydrangea longifolia Hayata species accepted

Hydrangea longipes Franch. species accepted

Hydrangea luteovenosa Koidz. species accepted

Hydrangea macrocarpa Hand.-Mazz. species accepted

Hydrangea macrophylla (Thunb.) Ser. species accepted

Hydrangea mangshanensis C. F. Wei species accepted

Hydrangea mathewsii Briq. species accepted

Hydrangea megalocarpa (Chun) J. M. H. Shaw species accepted

Hydrangea moellendorffii Hance species accepted

Hydrangea mollissima (Merr.) Y. De Smet & C. Granados species accepted

Hydrangea nebulicola Nevling & Gómez Pompa species accepted

Hydrangea obtusifolia (Hu) Y. De Smet & C. Granados species accepted

Hydrangea ofeliae Sodusta & Lumawag species accepted

Hydrangea serrata (Thunb.) Ser. species accepted

Hydrangea serratifolia (Hook. & Arn.) F. Phil. species accepted

Hydrangea sikokiana Maxim. species accepted

Hydrangea steyermarkii Standl. species accepted

Hydrangea strigosa Rehder species accepted

Hydrangea stylosa Hook. fil. & Thomson species accepted

Hydrangea taiwaniana Y. C. Liu & F. Y. Lu species accepted

Hydrangea tarapotensis Briq. species accepted

Hydrangea tetracarpa Hayata species accepted

Hydrangea tomentella (Hand.-Mazz.) Y. De Smet & C. Granados species accepted

Hydrangea viburnoides (Hook. fil. & Thomson) Y. De Smet & C. Granados species accepted

Hydrangea xanthoneura Diels species accepted

Hydrangea yaoshanensis (C. Y. Wu) Y. De Smet & C. Granados species accepted

Hydrangea zhewanensis P. S. Hsu & X. P. Zhang species accepted

Hydrangea × amagiana Makino species accepted

Hydrangea × mizushimarum H. Ohba species accepted

Hydrangea bretschneideri Dippel species accepted

Hydrangea bifida (Maxim.) Y. De Smet & C. Granados species accepted

Hydrangea aspera Buch.-Ham. ex D. Don species accepted

Hydrangea davidii Franch. species accepted

Hydrangea fistulosa (G. H. Huang & G. Hao) U. B. Deshmukh & M. B. Shende species accepted

Hydrangea densifolia (C. F. Wei) Y. De Smet & C. Granados species accepted

Hydrangea daimingshanensis (C. Y. Wu) Y. De Smet & C. Granados species accepted

Hydrangea corylifolia (Chun) Y. De Smet & C. Granados species accepted

Hydrangea crassa (Hand.-Mazz.) Y. De Smet & C. Granados species accepted

Hydrangea choufeniana (Chun) comb. ined. species provisionally accepted

Hydrangea coenobialis Chun species accepted

Hydrangea cinerea Small species accepted

Hydrangea chungii Rehder species accepted

Hydrangea chinensis Maxim. species accepted

Hydrangea caerulea (Stapf) Y. De Smet & C. Granados species accepted

Hydrangea robusta Hook. fil. & Thomson species accepted

Hydrangea radiata Walter species accepted

Hydrangea quercifolia Bartram species accepted

Hydrangea paniculata Siebold species accepted

Hydrangea petiolaris Siebold & Zucc. species accepted

Hydrangea peruviana Moric. species accepted

Hydrangea platyarguta Y. De Smet & Samain species accepted

Hydrangea linkweiensis Chun species accepted

Hydrangea schizomollis Y. De Smet & C. Granados species accepted

Hydrangea scandens (L. fil.) Ser. species accepted

Hydrangea sargentiana Rehder species accepted

Hydrangea caucana Engl. species accepted

Hydrangea durifolia Briq. species accepted

Hydrangea goudotii Briq. species accepted

Hydrangea oerstedii Briq. species accepted

Hydrangea panamensis Standl. species accepted

Hydrangea schlimii Briq. species accepted

Hydrangea seemannii L. Riley species accepted

Hydrangea trianae Briq. species accepted

Hydrangea weberbaueri Engl. species accepted

Hydrangea minamitanii (H. Ohba) Yahara & Tagane species accepted

Hydrangea breedlovei Samain, Najarro & E. Martínez species accepted

Hydrangea nahaensis Samain & E. Martínez species accepted

Hydrangea otontepecensis Samain & E. Martínez species accepted

Hydrangea sousae Samain, Najarro & E. Martínez species accepted

Hydrangea tapalapensis Samain, Najarro & E. Martínez species accepted

Hydrangea carroniae Samain & E. Martínez species accepted

Hydrangea pingtungensis S. S. Ying species accepted

Hydrangea lalashanensis S. S. Ying species accepted

Hydrangea marunoi Tagane & S. Fujii species accepted

Hydrangea × versicolor (Fortune) J. M. H. Shaw species accepted

Hydrangea xinfeniae W. B. Ju & J. Ru species accepted

Hydrangea × ytiensis (J. M. H. Shaw) J. M. H. Shaw species accepted