| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Rhododendron kochii Stein | A. D. E. Elmer 11435 Aug 1909 | Philippines. Davao del Sur. Island of Mindanao. Todaya, Mt. Apo. | neotype | 10389 |  |
| Rhododendron kochii Stein | R. Kanehira 2694 | Philippines. Mt. Mackinley, Davao, Mindanao. | 4394977 |  | |
| Rhododendron kochii Stein | R. Kanehira 2729 | Philippines. Mt. Mackinley, Davao, Mindanao. | 4394978 |  | |
| Rhododendron kochii Stein | E. A. Mearns 4674 | Philippines. Mt. Malindang: Misamis Province, Mindanao. | 4394982 |  | |
| Rhododendron kochii Stein | C. B. Robinson 9834 | Philippines. Laguna. Mt. Banajao, Luzon. | 4394983 |  | |
| Rhododendron kochii Stein | T. E. Borden 790 | Philippines. Bataan. Lamao River, Mt. Mariveles, Luzon. | 4394979 |  | |
| Rhododendron kochii Stein | A. D. E. Elmer 6856 | Philippines. Bataan. Mt. Mariveles, Bataan, Luzon. | 4394981 |  | |
| Rhododendron kochii Stein | T. E. Borden 2117 | Philippines. Bataan. Lamao River, Mt. Mariveles,. | 4394980 |  | |
| Rhododendron kochii Stein | H. N. Whitford 450 | Philippines. Bataan. Lamoa River, Mt. Mariveles, Luzon. | 4394984 |  | |
| Rhododendron kochii Stein | M. S. Clemens 15654 | Philippines. Mt. Apo, Davao Province, Mindanao. | 04394976 |  |
