| Classification | Ericaceae: Rhododendron |
| Harvard University Herbaria Barcode(s) | 02545531 |
| Collector | M. J. S. Sands & W. F. Vendivil |
| Collector number | 3100 |
| Country | Philippines |
| State | Quezon |
| Geography | Asia: Southeast Asia (Region): Philippines: Luzon: Quezon |
| Locality | East of Dolores above the village of Kinabuhayan on Mt. Banahau, on the rim of the crater known as the "Holy Window" |
| Georeference | 14 05 N, 121 28 E |
| Date Collected | 1976-02-09 |
| Verbatim Elevation | 1950 m. |
| Habitat | stunted Oak-Podocarpus forest of the summit area |
| Project | All Asia Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c290e31d-1fa9-4b4b-af31-3a193bb1dc90 |
| Harvard University Herbaria Barcode | 02545531 |
| Herbarium | A |
| Previous ownership | Ex Herb. Hort. Bot. Reg. Kew. |
| Family | Ericaceae |
| Determination | Rhododendron williamsii Merrill ex H. F. Copeland |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
