| Classification | Hydrangeaceae: Philadelphus |
| Harvard University Herbaria Barcode(s) | 00042918 |
| Type Status | Holotype |
| Collector | O. B. Metcalfe |
| Collector number | 1323 |
| Country | United States of America |
| State | New Mexico |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New Mexico: Sierra County |
| Locality | Hillsboro Peak |
| Date Collected | 1904-09-11 |
| Elevation | 2591 m |
| Verbatim Elevation | 8500 ft. |
| Habitat | Rocky hillside |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/893f3627-2123-47ba-bceb-7580f909e502 |
| Harvard University Herbaria Barcode | 00042918 |
| Herbarium | A |
| Previous ownership | Smithsonian Institution from the United States National Herbarium |
| Family | Hydrangeaceae |
| Type Status | Holotype |
| Holotype of | Philadelphus microphyllus var. ovatus S. Y. Hu |
| Verified by | Henrickson, James Solberg |
| Date Determined | 2010 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Philadelphus microphyllus var. ovatus S. Y. Hu) J. Arnold Arbor. 1956. 37: 20. |
| Family | Hydrangeaceae |
| Type Status | Holotype |
| Holotype of | Philadelphus microphyllus var. ovatus S. Y. Hu |
| Verified by | Holmgren, Patricia K. |
| Date Determined | 1987-04-** |
| Taxon Reference | (for Philadelphus microphyllus var. ovatus S. Y. Hu) J. Arnold Arbor. 1956. 37: 20. |
| Family | Hydrangeaceae |
| Determination | Philadelphus microphyllus A. Gray |
| Determined by | Henrickson, James Solberg |
| Date Determined | 2010 |
| Determination Remarks | [current name] |
| Family | Hydrangeaceae |
| Determination | Philadelphus microphyllus var. ovatus S. Y. Hu |
| Determined by | Hu, Shiu Ying |
| Date Determined | 1954-01-12 |
| Annotation Text | type |
| Family | Hydrangeaceae |
| Determination | Philadelphus microphyllus A. Gray |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |