| Classification | Ericaceae: Rhododendron | 
| Barcode(s) | 00015330 | 
| Type Status | Holotype | 
| Collector | R. H. P. Jacobus | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Franklin County: Turners Falls | 
| Locality | Garden of R. H. P. Jacobus, 54 Avenue A; originally found wild in neighboring woods. | 
| Date Collected | 1935-07-23 | 
| Remarks | = Rhododendron prinophyllum (Small) Millais (det. K. A. Kron, 1987) | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/def73a6b-feec-49ea-9051-a29347a072e9 | 
| Harvard University Herbaria Barcode | 00015330 | 
| Herbarium | A | 
| Family | Ericaceae | 
| Type Status |  Holotype | 
| Holotype of |  Rhododendron nudiflorum f. plenum Rehder | 
| Verified by | K. A. Kron | 
| Taxon Reference | (for  Rhododendron nudiflorum f. plenum Rehder) Contr. Gray Herb. 1947. 165: 10. | 
| Family | Ericaceae | 
| Determination |  Rhododendron prinophyllum (Small) Millais | 
| Determined by | K. A. Kron | 
| Determination Remarks |  [current name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |