| Rhododendron albiflorum Hook. | | | | 2538994 |  |
| Rhododendron albiflorum Hook. | | | | 2539008 |  |
| Rhododendron albiflorum Hook. | | | | 2539011 |  |
| Rhododendron albiflorum Hook. | | | | 2539012 |  |
| Rhododendron albiflorum Hook. | | | | 2539016 |  |
| Rhododendron albiflorum Hook. | | | | 2539036 |  |
| Rhododendron albiflorum Hook. | | | | 2539037 |  |
| Rhododendron albiflorum Hook. | | | | 2539039 |  |
| Rhododendron albiflorum Hook. | | | | 2539051 |  |
| Rhododendron albiflorum Hook. | | | | 2539052 |  |
| Rhododendron albiflorum Hook. | | | | 2539053 |  |
| Rhododendron albiflorum Hook. | | | | 2539054 |  |
| Rhododendron albiflorum Hook. | F. W. Hunnewell 4218 | Canada. British Columbia. Canadian Rocky Mountains, Selkirk Range, vicinity of Glacier. | | 2539065 |  |
| Rhododendron albiflorum Hook. | J. W. Thompson 323 | Canada. British Columbia. Alpine slopes of Carson Mt., Marble Mts. | | 2538967 |  |
| Rhododendron albiflorum Hook. | C. H. Shaw 948 | Canada. British Columbia. Big Bend district. | | 2539009 |  |
| Rhododendron albiflorum Hook. | | | | 2539026 |  |
| Rhododendron albiflorum Hook. | | | | 2538949 |  |
| Rhododendron albiflorum Hook. | | | | 2538968 |  |
| Rhododendron albiflorum Hook. | | | | 2538969 |  |
| Rhododendron albiflorum Hook. | | | | 2538987 |  |
| Rhododendron albiflorum Hook. | | | | 2538988 |  |
| Rhododendron albiflorum Hook. | | | | 2538989 |  |
| Rhododendron albiflorum Hook. | | | | 2538992 |  |
| Rhododendron albiflorum Hook. | | | | 2538993 |  |
| Rhododendron albiflorum Hook. | | | | 2539013 |  |
| Rhododendron albiflorum Hook. | | | | 2539015 |  |
| Rhododendron albiflorum Hook. | | | | 2539050 |  |
