| Classification | Rosaceae: Opulaster | 
| Classification 1 | Rosaceae: Physocarpus | 
| Harvard University Herbaria Barcode(s) | 00339153 | 
| Type Status | Isolectotype | 
| Collector | P. A. Rydberg | 
| Collector number | 653 | 
| Country | United States of America | 
| State | South Dakota | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: South Dakota: Custer County | 
| Locality | On French Creek, 10 below Custer | 
| Date Collected | 1892-07-22 | 
| Elevation | 4000 m | 
| Verbatim Elevation | 4000 Feet | 
| Container | Flora of the Black Hills of South Dakota | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f15b2d6b-5ec1-4dfa-a550-e2d8e534b890 | 
| Harvard University Herbaria Barcode | 00339153 | 
| Herbarium | GH | 
| Family | Rosaceae | 
| Type Status | Isolectotype | 
| Isolectotype of | Opulaster intermedius Rydberg | 
| Verified by | Oh, Sang-Hun | 
| Date Determined | 2006-01-16 | 
| Determination Remarks | [filed under] | 
| Annotation Text | ISOLECTOTYPE | 
| Taxon Reference | (for  Opulaster intermedius Rydberg) Man. Fl. N. States (Britton) 1901. 492. | 
| Family | Rosaceae | 
| Determination | Physocarpus opulifolius (Linnaeus) Maximowicz | 
| Determined by | Oh, Sang-Hun | 
| Date Determined | 2006-01-16 | 
| Determination Remarks | [current name] | 
| Family | Rosaceae | 
| Determination | Physocarpus monogynus (Torrey) J. M. Coulter | 
| Determined by | Robinson, Benjamin Lincoln | 
| Family | Rosaceae | 
| Determination | Opulaster opulifolius (Linnaeus) Kuntze | 
| Determination Remarks | [label name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |