| Hydrangea arborescens f. acarpa H.St.John | B. F. Bush 6116
06 Aug 1910 | United States of America. Missouri. Shannon Co. Montier. | type | 186277 |  |
| Hydrangea arborescens subsp. radiata (Walter) E.M.McClint. | C. Ruiz 25
14 Oct 2014 | United States of America. New York. Bronx Co. New York City. The New York Botanical Garden. Directly next to the Azalea Garden overlook. | | 02456415 |  |
| Hydrangea arborescens L. var. arborescens | D. E. Atha 8406
16 Sep 2009 | United States of America. Pennsylvania. Tioga Co. Tioga State Forest, ca 14.5 km SSE of Wellsboro, margins of Landrus Road on slope above Babb Creek. | | 01157406 |  |
| Hydrangea arborescens L. | D. E. Atha 10186
10 May 2011 | United States of America. Virginia. Patrick Co. 3.5 air km WNW of Claudville along State Route 813 and the Dan River. | | 01400586 |  |
| Hydrangea arborescens L. | | | | 02591323 |  |
| Hydrangea arborescens 'Annabelle' | K. G. Spellman 11
11 Oct 2017 | United States of America. New York. Bronx Co. New York City. New York Botanical Garden. | | 02921375 |  |
| Hydrangea arborescens 'Annabelle' | G. Vidarte 11
11 Oct 2017 | United States of America. New York. Bronx Co. New York City. New York Botanical Garden. | | 02921437 |  |
| Hydrangea arborescens 'Annabelle' | L. Webster 16
07 Nov 2017 | United States of America. New York. Bronx Co. New York City. New York Botanical Garden. | | 02921474 |  |
| Hydrangea arborescens L. | A. W. Cusick 38162
26 Jun 2014 | United States of America. Pennsylvania. Fulton Co. jct of St Rt 731 & Hendershot Rd, E of village of Amaranth, Union Tp. | | 03750012 |  |
| Hydrangea arborescens L. | J. M. Fogg Jr. s.n. | United States of America. Pennsylvania. Montgomery Co. Merion. Arboretum of the Barnes Foundation, South of school. | | 3969553 |  |
| Hydrangea arborescens L. | | | | 4118106 |  |
| Hydrangea arborescens L. | D. E. Atha 10166
10 May 2011 | United States of America. Virginia. Patrick Co. 4.2 air km SSW of Claudville, along state Route 664. | | 01400626 |  |
| Hydrangea arborescens subsp. radiata (Walter) E.M.McClint. | | | | 04346823 |  |
| Hydrangea arborescens subsp. radiata (Walter) E.M.McClint. | | | | 04346824 |  |
| Hydrangea arborescens subsp. radiata (Walter) E.M.McClint. | | | | 04346825 |  |
| Hydrangea arborescens subsp. radiata (Walter) E.M.McClint. | | | | 04346826 |  |
| Hydrangea arborescens L. | | | | 4346646 |  |
| Hydrangea arborescens L. | | | | 4346647 |  |
| Hydrangea arborescens L. | | | | 4346649 |  |
| Hydrangea arborescens L. | | | | 4346650 |  |
| Hydrangea arborescens L. | | | | 4346651 |  |
| Hydrangea arborescens L. | | | | 4346652 |  |
| Hydrangea arborescens L. | | | | 4346653 |  |
| Hydrangea arborescens L. | | | | 4346654 |  |
| Hydrangea arborescens L. | | | | 4346656 |  |
| Hydrangea arborescens L. | | | | 4346657 |  |
| Hydrangea arborescens L. | | | | 4346658 |  |
| Hydrangea arborescens L. | | | | 4346659 |  |
| Hydrangea arborescens L. | | | | 4346660 |  |
| Hydrangea arborescens L. | | | | 4346663 |  |
| Hydrangea arborescens L. | | | | 4346665 |  |
| Hydrangea arborescens L. var. arborescens | | | | 04346666 |  |
| Hydrangea arborescens L. subsp. arborescens | | | | 04346667 |  |
| Hydrangea arborescens L. subsp. arborescens | | | | 4346668 |  |
| Hydrangea arborescens L. subsp. arborescens | | | | 4346670 |  |
| Hydrangea arborescens L. subsp. arborescens | | | | 4346672 |  |
| Hydrangea arborescens L. subsp. arborescens | | | | 4346673 |  |
| Hydrangea arborescens L. subsp. arborescens | | | | 4346674 |  |
| Hydrangea arborescens L. subsp. arborescens | | | | 4346675 |  |
| Hydrangea arborescens L. subsp. arborescens | | | | 4346676 |  |
| Hydrangea arborescens L. subsp. arborescens | | | | 4346677 |  |
| Hydrangea arborescens subsp. deamii (H.St.John) E.M.McClint. | | | | 04346678 |  |
| Hydrangea arborescens subsp. deamii (H.St.John) E.M.McClint. | | | | 4346681 |  |
| Hydrangea arborescens subsp. deamii (H.St.John) E.M.McClint. | | | | 4346683 |  |
| Hydrangea arborescens subsp. deamii (H.St.John) E.M.McClint. | | | | 4346685 |  |
| Hydrangea arborescens subsp. radiata (Walter) E.M.McClint. | | | | 04346694 |  |
| Hydrangea arborescens subsp. radiata (Walter) E.M.McClint. | | | | 04346695 |  |
| Hydrangea arborescens L. | | | | 04346645 |  |
| Hydrangea arborescens L. | | | | 4346648 |  |
| Hydrangea arborescens L. | | | | 4346655 |  |
| Hydrangea arborescens L. | | | | 4346662 |  |
| Hydrangea arborescens L. | | | | 4346664 |  |
| Hydrangea arborescens L. subsp. arborescens | | | | 4346669 |  |
| Hydrangea arborescens L. subsp. arborescens | | | | 4346671 |  |
| Hydrangea arborescens subsp. deamii (H.St.John) E.M.McClint. | | | | 4346679 |  |
| Hydrangea arborescens subsp. deamii (H.St.John) E.M.McClint. | | | | 4346680 |  |
| Hydrangea arborescens subsp. deamii (H.St.John) E.M.McClint. | | | | 4346682 |  |
| Hydrangea arborescens subsp. deamii (H.St.John) E.M.McClint. | | | | 4346684 |  |
| Hydrangea arborescens subsp. deamii (H.St.John) E.M.McClint. | E. J. Palmer 44200 | United States of America. Arkansas. Garland Co. near Hot Springs. | | 4269567 |  |
| Hydrangea arborescens subsp. deamii (H.St.John) E.M.McClint. | D. Demarée 22233 | United States of America. Arkansas. Newton Co. Jasper. | | 4269568 |  |