| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| 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 |  |