| Hydrangea petiolaris Siebold & Zucc. | D. E. Boufford 25757 with H. W. Lee, C. W. Park & B. Y. Sun,
23 Jul 1992 | South Korea. Cheju-do. Cheju-shi: Halla San National Park, NW side of Mt. Halla and S slope of Mt. Osangsaong. | | 1843095 |  |
| Hydrangea anomala subsp. petiolaris (Siebold & Zucc.) E.M.McClint. | J. M. Fogg Jr. s.n. | United States of America. Pennsylvania. Montgomery Co. Merion. Arboretum of the Barnes Foundation, S. of Rose Garden. | | 3969554 |  |
| Hydrangea petiolaris Siebold & Zucc. | | | | 04346836 |  |
| Hydrangea petiolaris Siebold & Zucc. | D. E. Atha 6364 with Debra Adamsons,
16 Jun 2008 | United States of America. Massachusetts. Barnstable Co. Town of Barnstable. Village of Cotuit. East bank of Little River, 2.45 km S of Route 28 and 0.38 km N of Cotuit Bay. Property and residence of Scott Horsley. | | 1070885 |  |
| Hydrangea petiolaris Siebold & Zucc. | | | | 03754128 |  |
| Hydrangea petiolaris Siebold & Zucc. | | | | 04269823 |  |
| Hydrangea petiolaris Siebold & Zucc. | | | | 04756468 |  |
| Hydrangea anomala subsp. petiolaris (Siebold & Zucc.) E.M.McClint. | | | | 04756225 |  |
| Hydrangea anomala subsp. petiolaris (Siebold & Zucc.) E.M.McClint. | | | | 4756227 |  |
| Hydrangea anomala subsp. petiolaris (Siebold & Zucc.) E.M.McClint. | | | | 4756229 |  |
| Hydrangea anomala subsp. petiolaris (Siebold & Zucc.) E.M.McClint. | | | | 4756231 |  |
| Hydrangea anomala subsp. petiolaris (Siebold & Zucc.) E.M.McClint. | | | | 4756235 |  |
| Hydrangea anomala subsp. petiolaris (Siebold & Zucc.) E.M.McClint. | | | | 4756230 |  |
| Hydrangea anomala subsp. petiolaris (Siebold & Zucc.) E.M.McClint. | | | | 4756228 |  |
| Hydrangea petiolaris Siebold & Zucc. | M. Togashi 42
02 Nov 1982 | Japan. Yamanashi. Honshu. Minamitsuru-gun, Yamanakako-mura, Takamarubi. | | 04756467 |  |
| Hydrangea petiolaris Siebold & Zucc. | | | | 4756465 |  |
| Hydrangea petiolaris Siebold & Zucc. | | | | 4756466 |  |
| Hydrangea anomala subsp. petiolaris (Siebold & Zucc.) E.M.McClint. | | | | 4756234 |  |
| Hydrangea petiolaris Siebold & Zucc. | | | | 04756463 |  |
| Hydrangea anomala subsp. petiolaris (Siebold & Zucc.) E.M.McClint. | | | | 4756232 |  |
| Hydrangea anomala subsp. petiolaris (Siebold & Zucc.) E.M.McClint. | | | | 4756226 |  |
| Hydrangea anomala subsp. petiolaris (Siebold & Zucc.) E.M.McClint. | | | | 4756233 |  |
| Hydrangea petiolaris Siebold & Zucc. | | | | 4756464 |  |