| Classification | Ericaceae: Rhododendron |
| Harvard University Herbaria Barcode(s) | 02545530 |
| Collector | R. S. Williams |
| Collector number | 990 |
| Country | Philippines |
| State | La Union |
| Geography | Asia: Southeast Asia (Region): Philippines: Luzon: La Union |
| Locality | Mount Santo Tomas |
| Date Collected | 1904-07-20 |
| Project | All Asia TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/707f9688-eb30-4f4e-8d40-a5e77d9a6395 |
| Harvard University Herbaria Barcode | 02545530 |
| Herbarium | A |
| Family | Ericaceae |
| Determination | Rhododendron williamsii Merrill ex H. F. Copeland |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
