| Title | Monograph of Azaleas Rhododendron subgenus Anthodendron. Cambridge, MA |
| Abbreviation | Monogr. Azaleas |
| Authors | E. H. Wilson: A. Rehder |
| Publication Dates | 1921 |
| TL2 | 8.816 |
| Remarks | Publications of the Arnold Arboretum, no. 9. |
The Harvard University Herbaria hold 12 type specimens of taxa described in this publication
Rhododendron kanehirai E. H. Wilson [Type] 1921, 28Rhododendron ×sanderi E. H. Wilson [Type] 1921, 43
Rhododendron ×anneliesae Rehder [Type] 1921, 181
Rhododendron serrulatum f. molliculum Rehder [Holotype] 1921, 155
Rhododendron serrulatum var. georgianum Rehder [Holotype] 1921, 156
Rhododendron arborescens var. richardsonii Rehder [Holotype] 1987, 168
Rhododendron canescens f. subglabrum Rehder [Holotype] 1921, 145
Rhododendron viscosum var. aemulans Rehder [Holotype] 1921, 165
Rhododendron viscosum var. montanum Rehder [Holotype] 1921, 164
Rhododendron viscosum f. coerulescens Rehder [Holotype] 1921, 165
Rhododendron canadense f. viridifolium Fernald [Holotype] 1921, 122
Rhododendron japonicum f. aureum E. H. Wilson [Holotype] 1921, 102