| Classification | Hydrangeaceae: Philadelphus |
| Harvard University Herbaria Barcode(s) | 00936254 |
| Type Status | Syntype |
| Collector | A. Nelson |
| Collector number | 3595 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming: Sweetwater County |
| Locality | Near Rock Springs |
| Date Collected | 1897-07-15 |
| Container | Flora of Wyoming |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fb5b171d-e416-4f5f-8f4b-2f54f7aa1bb8 |
| Harvard University Herbaria Barcode | 00936254 |
| Herbarium | GH |
| Previous ownership | [Ex] Herb. University of Wyoming |
| Family | Hydrangeaceae |
| Type Status | Syntype |
| Syntype of | Philadelphus occidentalis A. Nelson |
| Verified by | Henrickson, James Solberg |
| Date Determined | 2010 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Philadelphus occidentalis A. Nelson) Bull. Torrey Bot. Club 1898. 25(7): 374-375. |
| Family | Hydrangeaceae |
| Determination | Philadelphus microphyllus A. Gray |
| Determined by | Henrickson, James Solberg |
| Date Determined | 2010 |
| Determination Remarks | [current name] |
| Family | Hydrangeaceae |
| Determination | Philadelphus occidentalis A. Nelson |
| Determined by | SYH [S. Y. Hu] |
| Date Determined | 1951 |
| Family | Hydrangeaceae |
| Determination | Philadelphus microphyllus subsp. occidentalis (A. Nelson) C. L. Hitchcock |
| Determined by | C.L.H. [C. L. Hitchcock] |
| Date Determined | 1941 |
| Family | Hydrangeaceae |
| Determination | Philadelphus microphyllus A. Gray |
| Determined by | Moore, Albert Hanford |
| Date Determined | 1911-05-10 |
| Family | Hydrangeaceae |
| Determination | Philadelphus occidentalis A. Nelson |
| Determination Remarks | [label name] |
| Annotation Text | n. sp. |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |