| Classification | Hydrangeaceae: Hydrangea | 
| Barcode(s) | 00042773 | 
| Type Status | Holotype | 
| Collector | C. C. Deam | 
| Collector number | 28122 | 
| Country | United States of America | 
| State | Indiana | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Indiana: Jackson County | 
| Locality | White River, 1 mile east of Sparksville | 
| Date Collected | 1919-07-15 | 
| Remarks | = Hydrangea arborescens L. subsp. deamii (H. St. John) McClintock (det. E. McClintock, 1950) | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9dd6524f-a4d7-48ef-b3e1-2fda64e41274 | 
| Harvard University Herbaria Barcode | 00042773 | 
| Herbarium | GH | 
| Family | Hydrangeaceae | 
| Type Status |  Holotype | 
| Holotype of |  Hydrangea arborescens var. deamii H. St. John | 
| Taxon Reference | (for  Hydrangea arborescens var. deamii H. St. John) Rhodora 1921. 23: 208. | 
| Family | Hydrangeaceae | 
| Determination |  Hydrangea arborescens var. deamii H. St. John | 
| Determined by | E. McClintock | 
| Determination Remarks |  [current name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |