| Classification | Rosaceae: Spiraea | 
| Classification 1 | Rosaceae: Physocarpus | 
| Barcode(s) | 00046100 | 
| Type Status | Possible Type | 
| Collector | D. Douglas | 
| Country | United States of America | 
| State | Oregon | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon | 
| Remarks | mounted on right, with Barclay on left = Physocarpus capitatus (Pursh) Kuntze | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/eaa16c5b-de51-4481-b5ca-227c700d5929 | 
| Harvard University Herbaria Barcode | 00046100 | 
| Herbarium | GH | 
| Family | Rosaceae | 
| Type Status | Possible Type | 
| Possible Type of |  Spiraea opulifolia var. pauciflora Torrey & A. Gray | 
| Taxon Reference | (for  Spiraea opulifolia var. pauciflora Torrey & A. Gray) N. Amer. Fl.  1: 414. | 
| Family | Rosaceae | 
| Determination |  Physocarpus capitatus (Pursh) Kuntze | 
| Determination Remarks |  [current name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |